diff --git a/code/game/gamemodes/miniantags/demons/shadow_demon/shadow_demon.dm b/code/game/gamemodes/miniantags/demons/shadow_demon/shadow_demon.dm
index 7edd0bf893e..0792bf40c9f 100644
--- a/code/game/gamemodes/miniantags/demons/shadow_demon/shadow_demon.dm
+++ b/code/game/gamemodes/miniantags/demons/shadow_demon/shadow_demon.dm
@@ -6,6 +6,7 @@
 	icon_living = "shadow_demon"
 	move_resist = MOVE_FORCE_STRONG
 	lighting_alpha = LIGHTING_PLANE_ALPHA_MOSTLY_VISIBLE // so they can tell where the darkness is
+	see_in_dark = 10 // Below 10 `see_in_dark`, you'll not have full vision with fullscreen
 	loot = list(/obj/item/organ/internal/heart/demon/shadow)
 	death_sound = 'sound/shadowdemon/shadowdeath.ogg'
 	var/thrown_alert = FALSE
diff --git a/code/game/objects/structures/crates_lockers/closets.dm b/code/game/objects/structures/crates_lockers/closets.dm
index d7b37140b43..cb5dc18f242 100644
--- a/code/game/objects/structures/crates_lockers/closets.dm
+++ b/code/game/objects/structures/crates_lockers/closets.dm
@@ -92,6 +92,10 @@
 	if(throwing)
 		throwing.finalize(FALSE)
 
+/obj/structure/closet/extinguish_light(force)
+	for(var/atom/A in contents)
+		A.extinguish_light(force)
+
 /obj/structure/closet/proc/open()
 	if(opened)
 		return FALSE
diff --git a/code/modules/atmospherics/machinery/atmospherics.dm b/code/modules/atmospherics/machinery/atmospherics.dm
index e904ecf8683..d1b103b57c9 100644
--- a/code/modules/atmospherics/machinery/atmospherics.dm
+++ b/code/modules/atmospherics/machinery/atmospherics.dm
@@ -344,6 +344,10 @@ Pipelines + Other Objects -> Pipe network
 /obj/machinery/atmospherics/proc/can_crawl_through()
 	return TRUE
 
+/obj/machinery/atmospherics/extinguish_light(force)
+	set_light(0)
+	update_icon(UPDATE_OVERLAYS)
+
 /obj/machinery/atmospherics/proc/change_color(new_color)
 	//only pass valid pipe colors please ~otherwise your pipe will turn invisible
 	if(!pipe_color_check(new_color))