diff --git a/_maps/map_files/stations/boxstation.dmm b/_maps/map_files/stations/boxstation.dmm
index 4eb1f89aea6..623d38612dc 100644
--- a/_maps/map_files/stations/boxstation.dmm
+++ b/_maps/map_files/stations/boxstation.dmm
@@ -35,7 +35,6 @@
 "aag" = (
 /obj/machinery/hologram/holopad,
 /obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse,
 /turf/simulated/floor/plasteel,
 /area/station/maintenance/incinerator)
 "aah" = (
@@ -5887,7 +5886,6 @@
 "avE" = (
 /obj/effect/decal/cleanable/dirt,
 /obj/item/stack/cable_coil/random,
-/mob/living/simple_animal/mouse/white,
 /turf/simulated/floor/plating,
 /area/station/maintenance/fpmaint)
 "avF" = (
@@ -10098,7 +10096,6 @@
 /turf/simulated/floor/plating,
 /area/shuttle/pod_2)
 "aJW" = (
-/mob/living/simple_animal/mouse,
 /obj/machinery/atmospherics/pipe/simple/hidden/cyan,
 /obj/effect/mapping_helpers/turfs/damage,
 /turf/simulated/floor/wood,
@@ -10109,11 +10106,6 @@
 	},
 /turf/simulated/floor/plating,
 /area/station/maintenance/fpmaint2)
-"aJY" = (
-/obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/fpmaint2)
 "aJZ" = (
 /obj/machinery/atmospherics/unary/vent_pump/on{
 	dir = 4
@@ -11123,10 +11115,6 @@
 	},
 /turf/simulated/floor/plating,
 /area/station/maintenance/fsmaint)
-"aNi" = (
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/fsmaint)
 "aNj" = (
 /obj/structure/table,
 /turf/simulated/floor/plating,
@@ -12254,10 +12242,6 @@
 	icon_state = "arrival"
 	},
 /area/station/hallway/secondary/entry/north)
-"aRg" = (
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/fpmaint2)
 "aRh" = (
 /obj/machinery/sleeper{
 	dir = 4
@@ -21821,11 +21805,6 @@
 /obj/item/storage/toolbox/emergency,
 /turf/simulated/floor/plating,
 /area/station/public/storage/emergency/port)
-"buj" = (
-/obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse/gray,
-/turf/simulated/floor/plasteel,
-/area/station/maintenance/port)
 "buk" = (
 /obj/structure/sign/securearea{
 	desc = "A warning sign which reads 'KEEP CLEAR OF DOCKING AREA'.";
@@ -25808,10 +25787,6 @@
 	},
 /turf/simulated/wall/r_wall,
 /area/station/maintenance/port)
-"bKH" = (
-/mob/living/simple_animal/mouse/gray,
-/turf/simulated/floor/plating,
-/area/station/maintenance/port)
 "bKI" = (
 /obj/structure/cable{
 	icon_state = "0-2"
@@ -32451,7 +32426,6 @@
 /turf/simulated/floor/plating/airless,
 /area/station/science/toxins/test)
 "clF" = (
-/mob/living/simple_animal/mouse,
 /obj/machinery/atmospherics/pipe/simple/hidden/cyan{
 	dir = 4
 	},
@@ -33633,7 +33607,6 @@
 /area/station/command/office/ntrep)
 "cqK" = (
 /obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse,
 /obj/machinery/atmospherics/unary/vent_pump/on{
 	dir = 4
 	},
@@ -34885,12 +34858,6 @@
 /obj/item/stack/rods,
 /turf/simulated/floor/plasteel,
 /area/station/maintenance/apmaint)
-"cvl" = (
-/mob/living/simple_animal/mouse/gray,
-/obj/effect/decal/cleanable/dirt,
-/obj/structure/disposalpipe/segment,
-/turf/simulated/floor/plasteel,
-/area/station/maintenance/port)
 "cvm" = (
 /obj/effect/decal/cleanable/dirt,
 /obj/machinery/suit_storage_unit/expedition,
@@ -44097,7 +44064,6 @@
 /area/station/maintenance/turbine)
 "dev" = (
 /obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse,
 /turf/simulated/floor/plasteel,
 /area/station/maintenance/turbine)
 "dew" = (
@@ -45625,10 +45591,6 @@
 /obj/effect/decal/cleanable/cobweb,
 /turf/simulated/floor/plating,
 /area/station/maintenance/aft)
-"dkv" = (
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/asmaint)
 "dky" = (
 /obj/machinery/camera{
 	c_tag = "Central Hallway North-East"
@@ -49233,10 +49195,6 @@
 	},
 /turf/simulated/floor/plasteel,
 /area/station/hallway/primary/port/east)
-"egi" = (
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/apmaint)
 "egq" = (
 /obj/structure/closet/secure_closet/brig,
 /obj/machinery/power/apc/directional/east,
@@ -53660,7 +53618,6 @@
 /obj/structure/cable{
 	icon_state = "1-2"
 	},
-/mob/living/simple_animal/mouse,
 /turf/simulated/floor/plating,
 /area/station/maintenance/fpmaint2)
 "gsl" = (
@@ -71961,22 +71918,6 @@
 	icon_state = "caution"
 	},
 /area/station/engineering/break_room)
-"pUR" = (
-/obj/machinery/atmospherics/pipe/simple/hidden/cyan{
-	dir = 4
-	},
-/obj/structure/cable{
-	icon_state = "4-8"
-	},
-/obj/machinery/atmospherics/pipe/simple/hidden/supply{
-	dir = 4
-	},
-/obj/machinery/atmospherics/pipe/simple/hidden/scrubbers{
-	dir = 4
-	},
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/asmaint2)
 "pUU" = (
 /obj/structure/filingcabinet,
 /turf/simulated/floor/carpet,
@@ -80364,7 +80305,6 @@
 	},
 /area/station/maintenance/asmaint)
 "uql" = (
-/mob/living/simple_animal/mouse,
 /obj/effect/turf_decal/stripes/line{
 	dir = 4
 	},
@@ -101858,7 +101798,7 @@ nxX
 aGn
 aPW
 aQb
-aRg
+aHS
 aHl
 aGn
 rPS
@@ -103391,7 +103331,7 @@ bat
 aDA
 aEH
 aEJ
-aJY
+aHl
 aIK
 aGn
 aHS
@@ -103423,7 +103363,7 @@ blM
 bvq
 cho
 bwZ
-cvl
+pcH
 bCr
 pwm
 cwA
@@ -106994,7 +106934,7 @@ aaa
 aaa
 loS
 dEG
-aRg
+aHS
 vbm
 aJX
 jQt
@@ -108053,7 +107993,7 @@ bnK
 bnK
 cJV
 blQ
-bKH
+bnK
 bxb
 bIX
 bQf
@@ -111127,7 +111067,7 @@ bkg
 blX
 blQ
 bsR
-buj
+svp
 bvw
 bDJ
 blQ
@@ -111674,7 +111614,7 @@ bBf
 wrU
 nIY
 cqs
-egi
+coL
 xxQ
 omB
 coL
@@ -131409,7 +131349,7 @@ aGX
 aQI
 aGY
 aGX
-aNi
+aGY
 aGY
 aGX
 aGX
@@ -132253,7 +132193,7 @@ bGG
 qZN
 oyY
 oyY
-pUR
+upd
 bGG
 qZN
 dQM
@@ -137415,7 +137355,7 @@ cNq
 cga
 ePu
 ePu
-dkv
+csL
 isD
 csL
 jPw
diff --git a/_maps/map_files/stations/cerestation.dmm b/_maps/map_files/stations/cerestation.dmm
index e87ccdcfcbc..deb6cb16f76 100644
--- a/_maps/map_files/stations/cerestation.dmm
+++ b/_maps/map_files/stations/cerestation.dmm
@@ -23636,13 +23636,6 @@
 	},
 /turf/simulated/floor/plating,
 /area/station/engineering/atmos/distribution)
-"deS" = (
-/mob/living/simple_animal/mouse/brown,
-/obj/machinery/atmospherics/pipe/simple/hidden/supply,
-/turf/simulated/floor/plating{
-	icon_state = "asteroidplating"
-	},
-/area/station/maintenance/port2)
 "deW" = (
 /obj/item/radio/intercom{
 	pixel_y = 28;
@@ -36622,7 +36615,6 @@
 /obj/machinery/light/small{
 	dir = 8
 	},
-/mob/living/simple_animal/mouse/brown,
 /turf/simulated/floor/plating/asteroid/ancient,
 /area/station/maintenance/port2)
 "gtH" = (
@@ -37921,12 +37913,6 @@
 	},
 /turf/simulated/floor/transparent/glass/reinforced,
 /area/station/maintenance/starboard)
-"gLX" = (
-/mob/living/simple_animal/mouse/brown,
-/turf/simulated/floor/plating{
-	icon_state = "asteroidplating"
-	},
-/area/station/maintenance/fsmaint)
 "gLY" = (
 /obj/machinery/door/poddoor/shutters/preopen{
 	dir = 8;
@@ -38245,15 +38231,6 @@
 /obj/machinery/space_heater,
 /turf/simulated/floor/plating,
 /area/station/maintenance/disposal/south)
-"gRw" = (
-/mob/living/simple_animal/mouse/white,
-/obj/structure/disposalpipe/segment{
-	dir = 4
-	},
-/turf/simulated/floor/plating{
-	icon_state = "asteroidplating"
-	},
-/area/station/maintenance/starboard)
 "gRz" = (
 /obj/effect/decal/cleanable/blood/tracks/mapped,
 /obj/effect/mapping_helpers/turfs/burn,
@@ -38604,10 +38581,6 @@
 /obj/effect/spawner/random/maintenance,
 /turf/simulated/floor/plating/asteroid/ancient,
 /area/station/maintenance/maintcentral)
-"gWv" = (
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/port)
 "gWO" = (
 /obj/structure/closet/wardrobe/white,
 /obj/item/clothing/shoes/jackboots,
@@ -41488,7 +41461,6 @@
 /obj/machinery/light/small{
 	dir = 8
 	},
-/mob/living/simple_animal/mouse/brown,
 /turf/simulated/floor/plating{
 	icon_state = "asteroidplating"
 	},
@@ -46695,13 +46667,6 @@
 /obj/effect/decal/cleanable/cobweb,
 /turf/simulated/floor/plating,
 /area/station/maintenance/disposal/southwest)
-"iXy" = (
-/obj/structure/window/reinforced{
-	dir = 8
-	},
-/mob/living/simple_animal/mouse/gray,
-/turf/simulated/floor/plating/asteroid/ancient,
-/area/station/maintenance/starboard)
 "iXK" = (
 /obj/machinery/atmospherics/pipe/simple/hidden{
 	dir = 10
@@ -53284,14 +53249,6 @@
 	icon_state = "green"
 	},
 /area/station/public/quantum/service)
-"kAu" = (
-/mob/living/simple_animal/mouse/gray,
-/obj/effect/spawner/random/dirt/often,
-/turf/simulated/floor/plasteel{
-	dir = 8;
-	icon_state = "yellow"
-	},
-/area/station/maintenance/fore)
 "kAv" = (
 /obj/machinery/hologram/holopad,
 /obj/machinery/atmospherics/pipe/simple/hidden/scrubbers,
@@ -55199,10 +55156,6 @@
 /obj/machinery/atmospherics/pipe/simple/hidden/scrubbers,
 /turf/simulated/wall,
 /area/station/hallway/primary/port/south)
-"laM" = (
-/mob/living/simple_animal/mouse/brown,
-/turf/simulated/floor/plating,
-/area/station/maintenance/fore2)
 "lbf" = (
 /obj/structure/cable{
 	icon_state = "1-2"
@@ -62945,10 +62898,6 @@
 	icon_state = "escape"
 	},
 /area/station/maintenance/port2)
-"mXW" = (
-/mob/living/simple_animal/mouse/white,
-/turf/simulated/floor/plating/asteroid/ancient,
-/area/station/maintenance/asmaint)
 "mYa" = (
 /obj/machinery/flasher{
 	id = "Cell 2";
@@ -63472,7 +63421,6 @@
 /area/station/maintenance/fore)
 "neD" = (
 /obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse/white,
 /obj/effect/turf_decal/delivery/partial{
 	dir = 4
 	},
@@ -66193,11 +66141,6 @@
 	icon_state = "neutralfull"
 	},
 /area/station/hallway/primary/fore/west)
-"nQU" = (
-/mob/living/simple_animal/mouse/brown,
-/obj/effect/decal/cleanable/dirt,
-/turf/simulated/floor/plating,
-/area/station/maintenance/fore2)
 "nQW" = (
 /obj/machinery/door/airlock/public/glass,
 /obj/effect/mapping_helpers/airlock/autoname,
@@ -68334,7 +68277,6 @@
 /area/station/science/test_chamber)
 "ove" = (
 /obj/effect/spawner/random/dirt/frequent,
-/mob/living/simple_animal/mouse/gray,
 /obj/machinery/atmospherics/pipe/simple/hidden/supply,
 /obj/machinery/atmospherics/pipe/simple/hidden/scrubbers,
 /turf/simulated/floor/plating,
@@ -70262,15 +70204,6 @@
 	},
 /turf/simulated/floor/plasteel,
 /area/station/hallway/primary/fore/east)
-"oUR" = (
-/mob/living/simple_animal/mouse/gray,
-/obj/machinery/light/small{
-	dir = 1
-	},
-/turf/simulated/floor/plating{
-	icon_state = "asteroidplating"
-	},
-/area/station/maintenance/apmaint)
 "oVb" = (
 /obj/structure/reagent_dispensers/watertank,
 /turf/simulated/floor/plating,
@@ -72741,12 +72674,6 @@
 	icon_state = "bluered"
 	},
 /area/station/hallway/secondary/entry/west)
-"pAV" = (
-/mob/living/simple_animal/mouse/gray,
-/turf/simulated/floor/plating{
-	icon_state = "asteroidplating"
-	},
-/area/station/maintenance/port)
 "pBh" = (
 /obj/structure/cable/orange{
 	icon_state = "4-8"
@@ -76374,13 +76301,6 @@
 /obj/structure/flora/ausbushes/sunnybush,
 /turf/simulated/floor/grass,
 /area/station/hallway/spacebridge/scidock)
-"qvA" = (
-/obj/machinery/atmospherics/pipe/simple/hidden/supply,
-/mob/living/simple_animal/mouse/white,
-/turf/simulated/floor/plating{
-	icon_state = "asteroidplating"
-	},
-/area/station/maintenance/fore)
 "qvJ" = (
 /obj/structure/lattice/catwalk,
 /turf/space,
@@ -81989,10 +81909,6 @@
 	icon_state = "asteroidplating"
 	},
 /area/station/maintenance/starboard)
-"rVL" = (
-/mob/living/simple_animal/mouse/gray,
-/turf/simulated/floor/plating/asteroid/ancient,
-/area/station/maintenance/apmaint)
 "rVZ" = (
 /obj/machinery/door/firedoor,
 /obj/machinery/door_control{
@@ -86268,11 +86184,6 @@
 	icon_state = "cafeteria"
 	},
 /area/station/medical/break_room)
-"sXA" = (
-/obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse/white,
-/turf/simulated/floor/plating,
-/area/station/maintenance/port2)
 "sXG" = (
 /obj/machinery/light{
 	dir = 8
@@ -106601,7 +106512,6 @@
 /turf/simulated/floor/plating,
 /area/station/maintenance/fore)
 "xUz" = (
-/mob/living/simple_animal/mouse/gray,
 /obj/effect/decal/cleanable/dirt,
 /obj/structure/disposalpipe/segment/corner,
 /obj/machinery/atmospherics/pipe/simple/hidden/supply{
@@ -106867,12 +106777,6 @@
 	},
 /turf/simulated/floor/plasteel,
 /area/station/service/janitor)
-"xXN" = (
-/mob/living/simple_animal/mouse/brown,
-/turf/simulated/floor/plating{
-	icon_state = "asteroidplating"
-	},
-/area/station/maintenance/starboard)
 "xXS" = (
 /obj/structure/reagent_dispensers/watertank,
 /turf/simulated/floor/plating,
@@ -119133,7 +119037,7 @@ aXn
 lVV
 qcE
 tiE
-gWv
+jee
 kZy
 lVV
 aXn
@@ -121184,7 +121088,7 @@ aXn
 aXn
 hvI
 eTI
-pAV
+eCI
 pXy
 dHZ
 wzC
@@ -121508,7 +121412,7 @@ wms
 adg
 fZa
 fdG
-oUR
+qlW
 sKh
 sKh
 wIq
@@ -128427,7 +128331,7 @@ ueB
 rXS
 lSc
 reB
-deS
+reB
 kZd
 iaF
 aXn
@@ -130608,7 +130512,7 @@ wDs
 wDs
 wDs
 bDo
-nQU
+vXM
 vrQ
 wDs
 afd
@@ -132267,7 +132171,7 @@ rNK
 lzH
 rNK
 cKa
-sXA
+dQZ
 dQZ
 qpx
 shL
@@ -132446,7 +132350,7 @@ wDs
 wDs
 uEX
 tbe
-laM
+vrQ
 bJW
 tbe
 wDs
@@ -132584,7 +132488,7 @@ koR
 koR
 dHN
 xPU
-rVL
+wsR
 wsR
 cWF
 wIq
@@ -138339,7 +138243,7 @@ vPt
 vPt
 vPt
 vPt
-laM
+vrQ
 aGg
 bbc
 bbc
@@ -143460,7 +143364,7 @@ fFd
 gKc
 cdz
 rTz
-qvA
+bjF
 bjF
 bjF
 bjF
@@ -144500,7 +144404,7 @@ bkp
 bkp
 mEg
 scz
-kAu
+scz
 vnu
 qIa
 qaI
@@ -147455,7 +147359,7 @@ plQ
 plQ
 plQ
 rlz
-mXW
+imG
 ggK
 xON
 mJk
@@ -159508,7 +159412,7 @@ xyF
 sVv
 yfZ
 gFg
-gRw
+xAV
 tvJ
 aZN
 aZM
@@ -161292,7 +161196,7 @@ bCq
 bkH
 qhP
 fqw
-iXy
+bLj
 gSQ
 bLj
 bLj
@@ -165357,7 +165261,7 @@ hqL
 cpC
 cpC
 cpC
-gLX
+cpC
 rNW
 gGH
 pMv
@@ -165402,7 +165306,7 @@ vHH
 wyL
 gSQ
 gSQ
-xXN
+gFg
 gFg
 gSQ
 gSQ
diff --git a/_maps/map_files/stations/deltastation.dmm b/_maps/map_files/stations/deltastation.dmm
index 8d8240312a2..3db4a9ae4a1 100644
--- a/_maps/map_files/stations/deltastation.dmm
+++ b/_maps/map_files/stations/deltastation.dmm
@@ -83152,13 +83152,6 @@
 	},
 /turf/simulated/floor/plating,
 /area/station/maintenance/solar_maintenance/aft_starboard)
-"sQr" = (
-/mob/living/simple_animal/mouse,
-/obj/machinery/light/small{
-	dir = 1
-	},
-/turf/simulated/floor/plating,
-/area/station/maintenance/port)
 "sQw" = (
 /obj/structure/weightmachine/stacklifter,
 /turf/simulated/floor/plasteel{
@@ -89304,10 +89297,6 @@
 	icon_state = "whitepurple"
 	},
 /area/station/science/toxins/mixing)
-"wce" = (
-/mob/living/simple_animal/mouse/white,
-/turf/simulated/floor/plating,
-/area/station/security/permabrig)
 "wcu" = (
 /obj/machinery/atmospherics/unary/cryo_cell,
 /turf/simulated/floor/plasteel{
@@ -113501,7 +113490,7 @@ cWl
 unt
 lxh
 cHA
-sQr
+ddg
 sZp
 nCh
 cHA
@@ -147865,7 +147854,7 @@ aaa
 aaa
 ygH
 coI
-wce
+aQx
 aQx
 mtL
 aKU
diff --git a/_maps/map_files/stations/emeraldstation.dmm b/_maps/map_files/stations/emeraldstation.dmm
index a68fc3bff64..87ada448cbc 100644
--- a/_maps/map_files/stations/emeraldstation.dmm
+++ b/_maps/map_files/stations/emeraldstation.dmm
@@ -14361,11 +14361,6 @@
 "cRi" = (
 /turf/simulated/wall,
 /area/station/security/main)
-"cRk" = (
-/obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/apmaint2)
 "cRu" = (
 /obj/machinery/atmospherics/pipe/simple/hidden/supply{
 	dir = 4
@@ -15571,7 +15566,6 @@
 /turf/simulated/floor/plasteel,
 /area/station/engineering/hardsuitstorage)
 "dfs" = (
-/mob/living/simple_animal/mouse,
 /obj/machinery/atmospherics/pipe/simple/hidden/supply,
 /turf/simulated/floor/wood,
 /area/station/maintenance/abandoned_office)
@@ -22315,7 +22309,6 @@
 /obj/structure/cable{
 	icon_state = "2-8"
 	},
-/mob/living/simple_animal/mouse,
 /obj/machinery/atmospherics/pipe/manifold/hidden/supply{
 	dir = 4
 	},
@@ -37950,7 +37943,6 @@
 "hzk" = (
 /obj/effect/decal/cleanable/dirt,
 /obj/effect/decal/cleanable/generic,
-/mob/living/simple_animal/mouse,
 /turf/simulated/floor/plating,
 /area/station/maintenance/security/aft_starboard)
 "hzA" = (
@@ -40382,11 +40374,6 @@
 /obj/machinery/atmospherics/meter,
 /turf/simulated/floor/engine,
 /area/station/engineering/engine)
-"iam" = (
-/obj/effect/spawner/random/oil/maybe,
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/security/fore)
 "iaw" = (
 /obj/structure/cable{
 	icon_state = "1-4"
@@ -53384,11 +53371,6 @@
 	icon_state = "dark"
 	},
 /area/station/aisat/atmos)
-"kCz" = (
-/obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plasteel,
-/area/station/maintenance/apmaint2)
 "kCA" = (
 /turf/simulated/floor/plasteel{
 	dir = 4;
@@ -55255,11 +55237,6 @@
 /obj/machinery/economy/vending/boozeomat,
 /turf/simulated/floor/wood,
 /area/station/maintenance/abandonedbar)
-"kXa" = (
-/obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/dorms/port)
 "kXf" = (
 /obj/structure/cable{
 	icon_state = "1-4"
@@ -57417,15 +57394,6 @@
 /obj/effect/decal/cleanable/dirt,
 /turf/simulated/floor/plating,
 /area/station/maintenance/dorms/starboard)
-"lut" = (
-/obj/structure/cable{
-	icon_state = "1-2"
-	},
-/obj/machinery/atmospherics/pipe/simple/hidden/cyan,
-/obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/security/fore)
 "luC" = (
 /obj/effect/decal/cleanable/confetti,
 /obj/effect/decal/cleanable/dirt,
@@ -60029,7 +59997,6 @@
 /area/station/supply/lobby)
 "lWJ" = (
 /obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse,
 /obj/item/trash/spentcasing/shotgun,
 /turf/simulated/floor/wood,
 /area/station/maintenance/dorms/starboard)
@@ -64966,12 +64933,6 @@
 /obj/effect/decal/cleanable/dirt,
 /turf/simulated/floor/plating,
 /area/station/maintenance/starboard)
-"mXx" = (
-/obj/effect/decal/cleanable/dirt,
-/obj/effect/spawner/random/oil/maybe,
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/apmaint)
 "mXy" = (
 /obj/structure/closet/secure_closet/miner,
 /obj/machinery/firealarm/directional/north,
@@ -67721,14 +67682,6 @@
 	},
 /turf/simulated/floor/plating,
 /area/station/maintenance/fpmaint)
-"nzU" = (
-/mob/living/simple_animal/mouse,
-/obj/effect/decal/cleanable/dirt,
-/obj/machinery/atmospherics/pipe/simple/hidden/cyan{
-	dir = 4
-	},
-/turf/simulated/floor/plasteel,
-/area/station/maintenance/apmaint2)
 "nAc" = (
 /obj/effect/decal/cleanable/dirt,
 /turf/simulated/floor/plasteel{
@@ -68402,12 +68355,6 @@
 	},
 /turf/simulated/floor/plating,
 /area/station/engineering/secure_storage)
-"nGt" = (
-/obj/effect/decal/cleanable/dirt,
-/obj/machinery/atmospherics/pipe/simple/hidden/cyan,
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plasteel,
-/area/station/maintenance/starboard)
 "nGw" = (
 /obj/structure/cable{
 	icon_state = "4-8"
@@ -69417,11 +69364,6 @@
 	icon_state = "white"
 	},
 /area/station/science/toxins/mixing)
-"nPx" = (
-/obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plasteel,
-/area/station/maintenance/starboard)
 "nPG" = (
 /obj/item/kirbyplants/large,
 /turf/simulated/floor/plasteel,
@@ -69709,11 +69651,6 @@
 /obj/effect/spawner/window/reinforced,
 /turf/simulated/floor/plating,
 /area/station/medical/virology)
-"nSa" = (
-/obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/dorms/fore)
 "nSe" = (
 /turf/simulated/floor/plating/airless,
 /area/station/aisat/hall)
@@ -74339,7 +74276,6 @@
 /turf/simulated/wall,
 /area/station/engineering/tech_storage)
 "oMl" = (
-/mob/living/simple_animal/mouse/white,
 /obj/effect/landmark/spawner/nukedisc_respawn,
 /turf/simulated/floor/plating,
 /area/station/maintenance/security/fore)
@@ -76854,7 +76790,6 @@
 /area/station/engineering/break_room/secondary)
 "piI" = (
 /obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse/white,
 /obj/structure/cable{
 	icon_state = "4-8"
 	},
@@ -77545,11 +77480,6 @@
 /obj/effect/decal/cleanable/dirt,
 /turf/simulated/floor/plasteel,
 /area/station/maintenance/dorms/port)
-"pqt" = (
-/obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plasteel,
-/area/station/maintenance/fpmaint)
 "pqI" = (
 /obj/structure/chair{
 	dir = 1
@@ -79200,10 +79130,6 @@
 	icon_state = "dark"
 	},
 /area/station/medical/morgue)
-"pHV" = (
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plasteel,
-/area/station/maintenance/asmaint)
 "pHX" = (
 /obj/machinery/atmospherics/pipe/simple/visible/yellow{
 	dir = 4
@@ -81964,11 +81890,6 @@
 	},
 /turf/simulated/floor/plating/airless,
 /area/station/aisat/hall)
-"qmI" = (
-/obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/fpmaint)
 "qmJ" = (
 /obj/machinery/power/apc/directional/south,
 /obj/structure/cable,
@@ -95430,11 +95351,6 @@
 "sTG" = (
 /turf/simulated/wall,
 /area/station/science/genetics)
-"sTI" = (
-/obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/starboard)
 "sTJ" = (
 /obj/effect/spawner/random/barrier/grille_maybe,
 /obj/effect/decal/cleanable/dirt,
@@ -106032,12 +105948,6 @@
 	icon_state = "cult"
 	},
 /area/station/legal/magistrate)
-"uWS" = (
-/obj/effect/decal/cleanable/generic,
-/obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/dorms/starboard)
 "uWU" = (
 /obj/item/kirbyplants/large,
 /turf/simulated/floor/plasteel{
@@ -106416,7 +106326,6 @@
 /obj/machinery/atmospherics/pipe/simple/hidden/cyan{
 	dir = 10
 	},
-/mob/living/simple_animal/mouse,
 /turf/simulated/floor/plasteel{
 	dir = 6;
 	icon_state = "whiteblue"
@@ -109607,10 +109516,6 @@
 	icon_state = "dark"
 	},
 /area/station/security/brig)
-"vJc" = (
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/aft2)
 "vJm" = (
 /obj/structure/lattice/catwalk,
 /obj/structure/cable{
@@ -112035,7 +111940,6 @@
 "whf" = (
 /obj/effect/mapping_helpers/turfs/damage,
 /obj/effect/decal/cleanable/generic,
-/mob/living/simple_animal/mouse,
 /turf/simulated/floor/plating,
 /area/station/maintenance/security/aft_starboard)
 "whh" = (
@@ -132942,7 +132846,7 @@ ipM
 hcH
 uPm
 bqU
-nzU
+xQq
 bGM
 xKc
 rPz
@@ -134484,7 +134388,7 @@ mIg
 eyo
 opq
 yiE
-cRk
+opq
 xQq
 fMB
 aco
@@ -138572,7 +138476,7 @@ qXp
 xrG
 feI
 idv
-mXx
+eBv
 sqZ
 mQe
 lQZ
@@ -140149,7 +140053,7 @@ oeh
 pdx
 vSD
 cBD
-kCz
+fMB
 lUy
 eJa
 sqB
@@ -146500,7 +146404,7 @@ ndJ
 qZs
 qci
 lfn
-qmI
+vWJ
 gmL
 nwf
 nwf
@@ -148266,7 +148170,7 @@ aSK
 wIh
 qci
 vWJ
-pqt
+eMT
 vWJ
 vWJ
 eMT
@@ -151159,7 +151063,7 @@ dsL
 twa
 vIV
 ril
-kXa
+ewj
 xmm
 rxd
 iSc
@@ -158608,7 +158512,7 @@ egS
 gsU
 fRA
 oPi
-uWS
+pIl
 xmi
 cPy
 kcb
@@ -159084,7 +158988,7 @@ soN
 dlV
 iNN
 syn
-nSa
+sul
 ydG
 rNs
 rtR
@@ -159912,7 +159816,7 @@ lRd
 snP
 aIj
 rWj
-vJc
+xaN
 bVp
 dtF
 bTR
@@ -162123,7 +162027,7 @@ iBy
 gbl
 oei
 iXk
-lut
+plQ
 oIH
 cwI
 cwI
@@ -168812,7 +168716,7 @@ cwI
 cwI
 qTH
 xEt
-iam
+cuO
 fsJ
 lVs
 vKT
@@ -169161,7 +169065,7 @@ mXw
 tVw
 dGc
 qFP
-nGt
+iPH
 bpH
 bpH
 bpp
@@ -172792,7 +172696,7 @@ qDC
 bNH
 jnC
 jnC
-pHV
+uMS
 ugn
 nuJ
 kTf
@@ -172988,7 +172892,7 @@ fIk
 stp
 stp
 oAs
-sTI
+mXw
 bnw
 tlf
 eDe
@@ -174554,7 +174458,7 @@ oTL
 mXw
 mIH
 nWG
-nPx
+jcy
 aQl
 caq
 pga
diff --git a/_maps/map_files/stations/metastation.dmm b/_maps/map_files/stations/metastation.dmm
index 4c6a3e2b3c2..fce3b01e570 100644
--- a/_maps/map_files/stations/metastation.dmm
+++ b/_maps/map_files/stations/metastation.dmm
@@ -834,11 +834,6 @@
 	},
 /turf/simulated/floor/plating,
 /area/station/maintenance/solar_maintenance/fore_port)
-"ajD" = (
-/mob/living/simple_animal/mouse,
-/obj/effect/decal/cleanable/dirt,
-/turf/simulated/floor/catwalk,
-/area/station/maintenance/fore)
 "ajE" = (
 /obj/structure/cable{
 	icon_state = "0-4"
@@ -12476,7 +12471,6 @@
 /obj/machinery/atmospherics/pipe/simple/hidden/supply{
 	dir = 4
 	},
-/mob/living/simple_animal/mouse,
 /obj/structure/cable{
 	icon_state = "2-4"
 	},
@@ -15610,10 +15604,6 @@
 /obj/effect/spawner/random/maintenance,
 /turf/simulated/floor/plating,
 /area/station/maintenance/fpmaint)
-"bmA" = (
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/fpmaint)
 "bmE" = (
 /obj/machinery/newscaster/directional/east,
 /obj/structure/disposalpipe/segment/corner{
@@ -27082,16 +27072,6 @@
 	icon_state = "C11"
 	},
 /area/station/hallway/primary/central/south)
-"cbb" = (
-/obj/effect/decal/cleanable/dirt,
-/obj/machinery/atmospherics/pipe/simple/hidden/cyan,
-/obj/machinery/atmospherics/pipe/simple/hidden/supply,
-/mob/living/simple_animal/mouse,
-/obj/structure/cable{
-	icon_state = "1-2"
-	},
-/turf/simulated/floor/plasteel,
-/area/station/maintenance/fsmaint)
 "cbc" = (
 /obj/effect/spawner/random/fungus/maybe,
 /turf/simulated/wall/r_wall,
@@ -29744,11 +29724,6 @@
 /obj/structure/lattice,
 /turf/space,
 /area/space/nearstation)
-"clJ" = (
-/obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plasteel,
-/area/station/maintenance/turbine)
 "clK" = (
 /obj/structure/closet,
 /obj/item/extinguisher,
@@ -36644,10 +36619,6 @@
 	},
 /turf/simulated/floor/plating/airless,
 /area/station/science/toxins/test)
-"cOU" = (
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/port)
 "cOV" = (
 /obj/machinery/button/windowtint{
 	dir = 1;
@@ -36991,7 +36962,6 @@
 "cQt" = (
 /obj/effect/mapping_helpers/turfs/burn,
 /obj/machinery/light/small,
-/mob/living/simple_animal/mouse,
 /turf/simulated/floor/plating,
 /area/station/maintenance/medmaint)
 "cQu" = (
@@ -39260,10 +39230,6 @@
 	icon_state = "whiteblue"
 	},
 /area/station/medical/exam_room)
-"dbH" = (
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/aft)
 "dbI" = (
 /obj/machinery/atmospherics/pipe/simple/hidden/cyan,
 /obj/structure/cable{
@@ -47169,10 +47135,6 @@
 	},
 /turf/simulated/floor/plasteel,
 /area/station/hallway/secondary/exit)
-"gof" = (
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/apmaint)
 "goq" = (
 /obj/structure/closet/secure_closet/hos,
 /obj/item/cartridge/detective,
@@ -47934,7 +47896,6 @@
 	dir = 5
 	},
 /obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse,
 /turf/simulated/floor/plasteel,
 /area/station/maintenance/starboard2)
 "gHh" = (
@@ -48677,11 +48638,6 @@
 	},
 /turf/simulated/floor/plasteel,
 /area/station/maintenance/aft2)
-"gWz" = (
-/obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plasteel,
-/area/station/maintenance/fsmaint)
 "gWE" = (
 /obj/machinery/atmospherics/pipe/simple/hidden{
 	dir = 4
@@ -51910,10 +51866,6 @@
 	},
 /turf/simulated/floor/engine,
 /area/station/engineering/control)
-"isf" = (
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/fsmaint)
 "isB" = (
 /obj/machinery/door/airlock/engineering/glass{
 	autoclose = 0;
@@ -57262,10 +57214,6 @@
 	icon_state = "red"
 	},
 /area/station/security/checkpoint/secondary)
-"kQF" = (
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/wood,
-/area/station/maintenance/starboard)
 "kRc" = (
 /obj/structure/cable{
 	icon_state = "1-8"
@@ -66844,11 +66792,6 @@
 	},
 /turf/simulated/floor/plating,
 /area/station/medical/virology)
-"peg" = (
-/obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plasteel,
-/area/station/maintenance/starboard2)
 "pej" = (
 /obj/structure/cable{
 	icon_state = "1-2"
@@ -69577,10 +69520,6 @@
 	icon_state = "white"
 	},
 /area/station/maintenance/aft)
-"qoK" = (
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/starboard2)
 "qoQ" = (
 /obj/structure/disposalpipe/segment{
 	dir = 4
@@ -70757,7 +70696,6 @@
 	},
 /area/station/security/interrogation)
 "qRm" = (
-/mob/living/simple_animal/mouse,
 /obj/effect/spawner/random/oil/maybe,
 /turf/simulated/floor/plasteel,
 /area/station/maintenance/fore)
@@ -76381,10 +76319,6 @@
 	icon_state = "whitepurplecorner"
 	},
 /area/station/science/research)
-"tnW" = (
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/starboard)
 "toc" = (
 /obj/structure/sign/electricshock,
 /turf/simulated/wall/r_wall,
@@ -79948,7 +79882,6 @@
 	dir = 6
 	},
 /obj/effect/decal/cleanable/dirt,
-/mob/living/simple_animal/mouse,
 /obj/structure/cable{
 	icon_state = "2-4"
 	},
@@ -80308,7 +80241,6 @@
 /obj/machinery/atmospherics/pipe/simple/hidden/supply{
 	dir = 4
 	},
-/mob/living/simple_animal/mouse,
 /obj/machinery/atmospherics/pipe/simple/hidden/cyan{
 	dir = 4
 	},
@@ -83377,10 +83309,6 @@
 /obj/structure/sign/biohazard,
 /turf/simulated/wall/r_wall,
 /area/station/science/research)
-"wLB" = (
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plating,
-/area/station/maintenance/fore)
 "wMb" = (
 /obj/effect/turf_decal/stripes/line{
 	dir = 4
@@ -86663,7 +86591,6 @@
 /area/station/engineering/atmos/distribution)
 "yih" = (
 /obj/machinery/atmospherics/pipe/simple/hidden/supply,
-/mob/living/simple_animal/mouse,
 /obj/machinery/light/small{
 	dir = 4
 	},
@@ -86672,10 +86599,6 @@
 	},
 /turf/simulated/floor/plating,
 /area/station/maintenance/starboard2)
-"yiP" = (
-/mob/living/simple_animal/mouse,
-/turf/simulated/floor/plasteel,
-/area/station/maintenance/fore)
 "yiU" = (
 /turf/simulated/floor/plasteel{
 	icon_state = "dark"
@@ -99426,7 +99349,7 @@ qCK
 aOB
 aOB
 adY
-bmA
+adY
 aOB
 aLF
 aML
@@ -103089,7 +103012,7 @@ cpD
 crG
 bZP
 clK
-gof
+crG
 crG
 bZP
 aaa
@@ -104864,7 +104787,7 @@ cdT
 cdT
 cdT
 cdT
-cOU
+bTY
 xOy
 aSM
 aSM
@@ -105587,7 +105510,7 @@ awh
 hka
 imw
 adY
-bmA
+adY
 aOB
 bmK
 bgA
@@ -106196,7 +106119,7 @@ chy
 tPO
 eJG
 czw
-dbH
+chy
 bZU
 abq
 aaa
@@ -118673,7 +118596,7 @@ nEV
 nEV
 awp
 aDY
-wLB
+alW
 cnV
 nVQ
 whf
@@ -119978,7 +119901,7 @@ nSs
 acL
 aWv
 aFj
-yiP
+fpy
 bne
 ajg
 iGR
@@ -121842,7 +121765,7 @@ dtC
 cte
 gnS
 cFB
-peg
+gSO
 ipj
 cmB
 qub
@@ -124109,7 +124032,7 @@ aLl
 ayv
 aLl
 apL
-isf
+avA
 eiI
 aLl
 bdt
@@ -124844,7 +124767,7 @@ aaa
 aaa
 aaa
 ahH
-ajD
+oTt
 azu
 awp
 air
@@ -124869,7 +124792,7 @@ gip
 nET
 blB
 wYm
-cbb
+blB
 beF
 juq
 apV
@@ -124925,7 +124848,7 @@ bPj
 wdY
 cte
 cqE
-qoK
+cwG
 dhw
 dhw
 bUz
@@ -125374,7 +125297,7 @@ air
 aBZ
 iAS
 oyN
-gWz
+cxr
 hgU
 aLl
 fpk
@@ -125410,7 +125333,7 @@ aoG
 aoG
 aoG
 dSv
-tnW
+asJ
 nWJ
 oXK
 aoG
@@ -126462,7 +126385,7 @@ cfL
 ciu
 ciH
 aRQ
-clJ
+aRQ
 biB
 bul
 clB
@@ -126707,7 +126630,7 @@ kbr
 vud
 axh
 cyv
-kQF
+ovR
 bZH
 fTV
 nXk
diff --git a/code/controllers/subsystem/non_firing/SSlate_mapping.dm b/code/controllers/subsystem/non_firing/SSlate_mapping.dm
index 65679ca1378..ba4faad530d 100644
--- a/code/controllers/subsystem/non_firing/SSlate_mapping.dm
+++ b/code/controllers/subsystem/non_firing/SSlate_mapping.dm
@@ -27,4 +27,34 @@ SUBSYSTEM_DEF(late_mapping)
 		var/duration = stop_watch(watch)
 		log_startup_progress("Generated [mgcount] mazes in [duration]s")
 
+	maintenance_mice()
+
 	GLOB.spawn_pool_manager.process_pools()
+
+/**
+ * Randomly spawns mice in maintenance instead of being purely fixed spawn points
+ */
+/datum/controller/subsystem/late_mapping/proc/maintenance_mice()
+	var/watch = start_watch()
+	log_startup_progress("Populating maintenance with mice...")
+
+	// Looking up for maintenance floors specifically as possible spawn points
+	var/list/maintenance_turfs = list()
+	for(var/area/station/maintenance/A in SSmapping.existing_station_areas)
+		for(var/turf/simulated/floor/F in A)
+			if(locate(/obj/structure/window) in F)
+				continue
+			maintenance_turfs.Add(F)
+	
+	if(!length(maintenance_turfs))
+		log_debug("No valid turfs has been found for mice.")
+		return
+
+	// The ratio is based on turfs per mice. Using Boxstation as an example, it would average between 20 to 30 mice.
+	var/floor_tiles_per_one_mice = rand(125, 200)
+	var/mice_number = ceil(length(maintenance_turfs) / floor_tiles_per_one_mice)
+
+	for(var/i in 1 to mice_number)
+		new /mob/living/simple_animal/mouse(pick_n_take(maintenance_turfs))
+
+	log_debug("Spawned [mice_number] mice over in [stop_watch(watch)]s")