diff --git a/GainStation13/code/game/objects/effects/posters.dm b/GainStation13/code/game/objects/effects/posters.dm
index ccfd5a2673..c1e72484a7 100644
--- a/GainStation13/code/game/objects/effects/posters.dm
+++ b/GainStation13/code/game/objects/effects/posters.dm
@@ -63,3 +63,101 @@
 	desc = "A poster from terran sectors, suggesting non-existence of mythical country of Malta."
 	icon_state = "poster50"
 	icon = 'GainStation13/icons/obj/contraband.dmi'
+
+
+//recoloring of propaganda posters - from NT blue to GT pink
+/obj/structure/sign/poster/gato/safety
+	name = "Here For Your Safety"
+	desc = "A poster glorifying the station's security force."
+	icon_state = "poster1_legit"
+	icon = 'GainStation13/icons/obj/contraband.dmi'
+
+/obj/structure/sign/poster/gato/lovegato
+	name = "GATO Poster"
+	desc = "A poster with the GATO's friendly feline mascot."
+	icon_state = "poster2_legit"
+	icon = 'GainStation13/icons/obj/contraband.dmi'
+
+/obj/structure/sign/poster/gato/cleanhands
+	name = "Cleanliness"
+	desc = "A poster warning of the dangers of poor hygiene."
+	icon_state = "poster3_legit"
+	icon = 'GainStation13/icons/obj/contraband.dmi'
+
+/obj/structure/sign/poster/gato/helpothers
+	name = "Help Others"
+	desc = "A poster encouraging you to help fellow crewmembers."
+	icon_state = "poster4_legit"
+	icon = 'GainStation13/icons/obj/contraband.dmi'
+
+/obj/structure/sign/poster/gato/buildstuff
+	name = "Build"
+	desc = "A poster glorifying the engineering team."
+	icon_state = "poster5_legit"
+	icon = 'GainStation13/icons/obj/contraband.dmi'
+
+/obj/structure/sign/poster/gato/blessthisspess
+	name = "Bless This Spess"
+	desc = "A poster blessing this area."
+	icon_state = "poster6_legit"
+	icon = 'GainStation13/icons/obj/contraband.dmi'
+
+/obj/structure/sign/poster/gato/science
+	name = "Science"
+	desc = "A poster depicting an atom."
+	icon_state = "poster7_legit"
+	icon = 'GainStation13/icons/obj/contraband.dmi'
+
+/obj/structure/sign/poster/gato/arf
+	name = "Ian"
+	desc = "Arf arf. Yap."
+	icon_state = "poster8_legit"
+	icon = 'GainStation13/icons/obj/contraband.dmi'
+
+/obj/structure/sign/poster/gato/obey
+	name = "Obey"
+	desc = "A poster instructing the viewer to obey authority."
+	icon_state = "poster9_legit"
+	icon = 'GainStation13/icons/obj/contraband.dmi'
+
+/obj/structure/sign/poster/gato/walk
+	name = "Walk"
+	desc = "A poster instructing the viewer to walk instead of running."
+	icon_state = "poster10_legit"
+	icon = 'GainStation13/icons/obj/contraband.dmi'
+
+/obj/structure/sign/poster/gato/statelaws
+	name = "State Laws"
+	desc = "A poster instructing cyborgs to state their laws."
+	icon_state = "poster11_legit"
+	icon = 'GainStation13/icons/obj/contraband.dmi'
+
+/obj/structure/sign/poster/gato/loveian
+	name = "Love Ian"
+	desc = "Ian is love, Ian is life."
+	icon_state = "poster12_legit"
+	icon = 'GainStation13/icons/obj/contraband.dmi'
+
+/obj/structure/sign/poster/gato/futurework
+	name = "Work For A Future"
+	desc = " A poster encouraging you to work for your future."
+	icon_state = "poster17_legit"
+	icon = 'GainStation13/icons/obj/contraband.dmi'
+
+/obj/structure/sign/poster/gato/safety
+	name = "Safety: Internals"
+	desc = "A poster instructing the viewer to wear internals in the rare environments where there is no oxygen or the air has been rendered toxic."
+	icon_state = "poster19_legit"
+	icon = 'GainStation13/icons/obj/contraband.dmi'
+
+/obj/structure/sign/poster/gato/safety2
+	name = "Safety: Eye Protection"
+	desc = "A poster instructing the viewer to wear eye protection when dealing with chemicals, smoke, or bright lights."
+	icon_state = "poster20_legit"
+	icon = 'GainStation13/icons/obj/contraband.dmi'
+
+/obj/structure/sign/poster/gato/reportcrimes
+	name = "Report Crimes"
+	desc = "A poster encouraging the swift reporting of crime or seditious behavior to station security."
+	icon_state = "poster22_legit"
+	icon = 'GainStation13/icons/obj/contraband.dmi'
diff --git a/GainStation13/code/game/objects/effects/spawners/decals.dm b/GainStation13/code/game/objects/effects/spawners/decals.dm
index f225c34d5b..8e61c22cc3 100644
--- a/GainStation13/code/game/objects/effects/spawners/decals.dm
+++ b/GainStation13/code/game/objects/effects/spawners/decals.dm
@@ -20,3 +20,74 @@
 			last_event = world.time
 			active = 0
 			return
+
+//gato colored signs - from NT blue to GT pink
+/obj/structure/sign/warning/gato
+	name = "\improper WARNING SIGN"
+	desc = "A warning sign which reads 'SECURE AREA'."
+	icon = 'GainStation13/icons/obj/decals.dmi'
+
+/obj/structure/sign/warning/gato/securearea
+	name = "\improper SECURE AREA"
+	desc = "A warning sign which reads 'SECURE AREA'."
+
+/obj/structure/sign/warning/gato/docking
+	name = "\improper KEEP CLEAR: DOCKING AREA"
+	desc = "A warning sign which reads 'KEEP CLEAR OF DOCKING AREA'."
+
+/obj/structure/sign/warning/gato/biohazard
+	name = "\improper BIOHAZARD"
+	desc = "A warning sign which reads 'BIOHAZARD'."
+	icon_state = "bio"
+
+/obj/structure/sign/warning/gato/electricshock
+	name = "\improper HIGH VOLTAGE"
+	desc = "A warning sign which reads 'HIGH VOLTAGE'."
+	icon_state = "shock"
+
+/obj/structure/sign/warning/gato/vacuum
+	name = "\improper HARD VACUUM AHEAD"
+	desc = "A warning sign which reads 'HARD VACUUM AHEAD'."
+	icon_state = "space"
+
+/obj/structure/sign/warning/gato/vacuum/external
+	name = "\improper EXTERNAL AIRLOCK"
+	desc = "A warning sign which reads 'EXTERNAL AIRLOCK'."
+	layer = MOB_LAYER
+
+/obj/structure/sign/warning/gato/deathsposal
+	name = "\improper DISPOSAL: LEADS TO SPACE"
+	desc = "A warning sign which reads 'DISPOSAL: LEADS TO SPACE'."
+	icon_state = "deathsposal"
+
+/obj/structure/sign/warning/gato/pods
+	name = "\improper ESCAPE PODS"
+	desc = "A warning sign which reads 'ESCAPE PODS'."
+	icon_state = "pods"
+
+/obj/structure/sign/warning/gato/fire
+	name = "\improper DANGER: FIRE"
+	desc = "A warning sign which reads 'DANGER: FIRE'."
+	icon_state = "fire"
+
+/obj/structure/sign/warning/gato/nosmoking
+	name = "\improper NO SMOKING"
+	desc = "A warning sign which reads 'NO SMOKING'."
+	icon_state = "nosmoking2"
+
+/obj/structure/sign/warning/gato/nosmoking/circle
+	icon_state = "nosmoking"
+
+/obj/structure/sign/warning/gato/radiation
+	name = "\improper HAZARDOUS RADIATION"
+	desc = "A warning sign alerting the user of potential radiation hazards."
+	icon_state = "radiation"
+
+/obj/structure/sign/warning/gato/radiation/rad_area
+	name = "\improper RADIOACTIVE AREA"
+	desc = "A warning sign which reads 'RADIOACTIVE AREA'."
+
+/obj/structure/sign/warning/gato/enginesafety
+	name = "\improper ENGINEERING SAFETY"
+	desc = "A sign detailing the various safety protocols when working on-site to ensure a safe shift."
+	icon_state = "safety"
diff --git a/GainStation13/code/obj/items/gato.dm b/GainStation13/code/obj/items/gato.dm
new file mode 100644
index 0000000000..30796df4d9
--- /dev/null
+++ b/GainStation13/code/obj/items/gato.dm
@@ -0,0 +1,2 @@
+/////GS13 - reflavoring of items into GATO corp, mostly seperated variants so we don't overwrite NT
+
diff --git a/GainStation13/icons/obj/decals.dmi b/GainStation13/icons/obj/decals.dmi
index 2813a82a6d..12740a1430 100644
Binary files a/GainStation13/icons/obj/decals.dmi and b/GainStation13/icons/obj/decals.dmi differ
diff --git a/code/modules/power/supermatter/supermatter.dm b/code/modules/power/supermatter/supermatter.dm
index 91ce6644a8..8790113ba6 100644
--- a/code/modules/power/supermatter/supermatter.dm
+++ b/code/modules/power/supermatter/supermatter.dm
@@ -965,6 +965,7 @@ GLOBAL_DATUM(main_supermatter_engine, /obj/machinery/power/supermatter_crystal)
 	name = "supermatter shard"
 	desc = "A strangely translucent and iridescent crystal that looks like it used to be part of a larger structure."
 	base_icon_state = "darkmatter_shard"
+	icon = 'GainStation13/icons/turf/supermatter.dmi' // GS13 EDIT 'icons/obj/supermatter.dmi'
 	icon_state = "darkmatter_shard"
 	anchored = FALSE
 	gasefficency = 0.125