diff --git a/code/controllers/subsystem/timer.dm b/code/controllers/subsystem/timer.dm
index 61760711f75..433699ce331 100644
--- a/code/controllers/subsystem/timer.dm
+++ b/code/controllers/subsystem/timer.dm
@@ -6,11 +6,13 @@ var/datum/subsystem/timer/SStimer
 	priority = 1
 
 	var/list/datum/timedevent/processing
+	var/list/hashes
 
 
 /datum/subsystem/timer/New()
 	NEW_SS_GLOBAL(SStimer)
 	processing = list()
+	hashes = list()
 
 
 /datum/subsystem/timer/stat_entry(msg)
@@ -34,6 +36,7 @@ var/datum/subsystem/timer/SStimer
 	var/timeToRun
 	var/argList
 	var/id
+	var/hash
 	var/static/nextid = 1
 
 /datum/timedevent/New()
@@ -42,9 +45,10 @@ var/datum/subsystem/timer/SStimer
 
 /datum/timedevent/Destroy()
 	SStimer.processing -= src
+	SStimer.hashes -= src.hash
 	return ..()
 
-/proc/addtimer(thingToCall, procToCall, wait, ...)
+/proc/addtimer(thingToCall, procToCall, wait, unique = FALSE, ...)
 	if (!SStimer) //can't run timers before the mc has been created
 		return
 	if (!thingToCall || !procToCall || wait <= 0)
@@ -57,11 +61,17 @@ var/datum/subsystem/timer/SStimer
 	event.thingToCall = thingToCall
 	event.procToCall = procToCall
 	event.timeToRun = world.time + wait
+	event.hash = list2text(args)
 	if (args.len > 3)
 		event.argList = args.Copy(4)
 
+	// Check for dupes if unique = 1.
+	if(unique)
+		if(event.hash in SStimer.hashes)
+			return
+	// If we are unique (or we're not checking that), add the timer and return the id.
 	SStimer.processing += event
-
+	SStimer.hashes += event.hash
 	return event.id
 
 /proc/deltimer(id)
diff --git a/code/game/gamemodes/handofgod/god.dm b/code/game/gamemodes/handofgod/god.dm
index 7335151df37..f69c44fdeb9 100644
--- a/code/game/gamemodes/handofgod/god.dm
+++ b/code/game/gamemodes/handofgod/god.dm
@@ -31,7 +31,7 @@
 
 	//Force nexuses after 2 minutes in hand of god mode
 	if(ticker && ticker.mode && ticker.mode.name == "hand of god")
-		addtimer(src,"forceplacenexus",1200)
+		addtimer(src, "forceplacenexus", 1200, FALSE)
 
 	ghostimage = image(src.icon,src,src.icon_state)
 	ghost_darkness_images |= ghostimage
diff --git a/code/game/machinery/computer/crew.dm b/code/game/machinery/computer/crew.dm
index a7088aa0606..8b1269d8883 100644
--- a/code/game/machinery/computer/crew.dm
+++ b/code/game/machinery/computer/crew.dm
@@ -255,7 +255,7 @@ var/global/datum/crewmonitor/crewmonitor = new
 		return ..()
 
 /datum/crewmonitor/proc/queueUpdate(z)
-	addtimer(crewmonitor, "update", 5, z)
+	addtimer(crewmonitor, "update", 5, TRUE, z)
 
 /datum/crewmonitor/proc/generateMiniMaps()
 	for(var/z = 1 to world.maxz)
diff --git a/code/game/objects/objs.dm b/code/game/objects/objs.dm
index 031f6b802b2..933cce1d3be 100644
--- a/code/game/objects/objs.dm
+++ b/code/game/objects/objs.dm
@@ -94,6 +94,7 @@
 
 /obj/attack_ghost(mob/user)
 	ui_interact(user)
+	..()
 
 /obj/proc/interact(mob/user)
 	return
diff --git a/code/modules/admin/verbs/adminhelp.dm b/code/modules/admin/verbs/adminhelp.dm
index 46cbc8a85cf..e7e89f2f8e4 100644
--- a/code/modules/admin/verbs/adminhelp.dm
+++ b/code/modules/admin/verbs/adminhelp.dm
@@ -87,7 +87,7 @@
 
 	//remove our adminhelp verb temporarily to prevent spamming of admins.
 	src.verbs -= /client/verb/adminhelp
-	adminhelptimerid = addtimer(src,"giveadminhelpverb",1200) //2 minute cooldown of admin helps
+	adminhelptimerid = addtimer(src, "giveadminhelpverb", 1200, FALSE) //2 minute cooldown of admin helps
 
 	msg = keywords_lookup(msg)