diff --git a/code/datums/diseases/alien_embryo.dm b/code/datums/diseases/alien_embryo.dm
index 1008c7f54b4..fe1f3bff51c 100644
--- a/code/datums/diseases/alien_embryo.dm
+++ b/code/datums/diseases/alien_embryo.dm
@@ -58,7 +58,7 @@
 			affected_mob.adjustToxLoss(10)
 			affected_mob.updatehealth()
 			if(prob(40))
-				ASSERT(gibbed == 0)
+				if(gibbed != 0) return 0
 				var/list/candidates = list() // Picks a random ghost in the world to shove in the larva -- TLE
 				for(var/mob/dead/observer/G in world)
 					if(G.client)
diff --git a/code/datums/diseases/robotic_transformation.dm b/code/datums/diseases/robotic_transformation.dm
index d68952d9a0b..34b074e34f4 100644
--- a/code/datums/diseases/robotic_transformation.dm
+++ b/code/datums/diseases/robotic_transformation.dm
@@ -52,7 +52,7 @@
 			affected_mob.adjustToxLoss(10)
 			affected_mob.updatehealth()
 			if(prob(40)) //So everyone can feel like robot Seth Brundle
-				ASSERT(src.gibbed == 0)
+				if(src.gibbed != 0) return 0
 				var/turf/T = find_loc(affected_mob)
 				gibs(T)
 				src.cure(0)
diff --git a/code/datums/diseases/xeno_transformation.dm b/code/datums/diseases/xeno_transformation.dm
index f3a822fb952..9d3289708ff 100644
--- a/code/datums/diseases/xeno_transformation.dm
+++ b/code/datums/diseases/xeno_transformation.dm
@@ -52,7 +52,7 @@
 			affected_mob.adjustToxLoss(10)
 			affected_mob.updatehealth()
 			if(prob(40))
-				ASSERT(gibbed == 0)
+				if(gibbed != 0) return 0
 				var/turf/T = find_loc(affected_mob)
 				gibs(T)
 				src.cure(0)
diff --git a/code/defines/procs/AStar.dm b/code/defines/procs/AStar.dm
index 7909d6cd475..12bbedfc673 100644
--- a/code/defines/procs/AStar.dm
+++ b/code/defines/procs/AStar.dm
@@ -57,12 +57,12 @@ PriorityQueue
 				j >>= 1
 
 		Dequeue()
-			ASSERT(L.len)
+			if(!L.len) return 0
 			. = L[1]
 			Remove(1)
 
 		Remove(i)
-			ASSERT(i <= L.len)
+			if(i > L.len) return 0
 			L.Swap(i,L.len)
 			L.Cut(L.len)
 			if(i < L.len)
diff --git a/code/defines/procs/icon_procs.dm b/code/defines/procs/icon_procs.dm
index 3069645c828..16245997006 100644
--- a/code/defines/procs/icon_procs.dm
+++ b/code/defines/procs/icon_procs.dm
@@ -448,7 +448,7 @@ proc
 
 				currentLayer = current:layer
 				if(currentLayer<0) // Special case for FLY_LAYER
-					ASSERT(currentLayer > -1000)
+					if(currentLayer <= -1000) return 0
 					if(pSet == 0) // Underlay
 						currentLayer = A.layer+currentLayer/1000
 					else // Overlay
diff --git a/code/game/hud.dm b/code/game/hud.dm
index 24741b333e7..2d8174b37cb 100644
--- a/code/game/hud.dm
+++ b/code/game/hud.dm
@@ -78,7 +78,7 @@ obj/hud/New(var/type = 0)
 /obj/hud/proc/instantiate(var/type = 0)
 
 	mymob = loc
-	ASSERT(istype(mymob, /mob))
+	if(!istype(mymob, /mob)) return 0
 
 	if(ishuman(mymob))
 		human_hud(mymob.UI) // Pass the player the UI style chosen in preferences
diff --git a/code/game/mecha/mech_fabricator.dm b/code/game/mecha/mech_fabricator.dm
index d4c83378534..f0f47032ba4 100644
--- a/code/game/mecha/mech_fabricator.dm
+++ b/code/game/mecha/mech_fabricator.dm
@@ -194,7 +194,7 @@
 				if(part)
 					parts[i] = part
 				//debug below
-				ASSERT(istype(parts[i],/obj/item))
+				if(!istype(parts[i],/obj/item)) return 0
 		return
 
 
diff --git a/code/modules/chemical/Chemistry-Machinery.dm b/code/modules/chemical/Chemistry-Machinery.dm
index 1d4184cee6d..809ce4300d9 100644
--- a/code/modules/chemical/Chemistry-Machinery.dm
+++ b/code/modules/chemical/Chemistry-Machinery.dm
@@ -388,24 +388,23 @@
 		if (href_list["create_vaccine"])
 			if(!src.wait)
 				var/obj/item/weapon/reagent_containers/glass/bottle/B = new/obj/item/weapon/reagent_containers/glass/bottle(src.loc)
-				var/vaccine_type = text2path(href_list["create_vaccine"])//the path is received as string - converting
-				var/datum/disease/D = new vaccine_type
-				var/name = input(usr,"Name:","Name the vaccine",D.name)
-				if(!name || name == " ") name = D.name
 				if(B)
-					B.name = "[name] vaccine bottle"
-					B.reagents.add_reagent("vaccine",15,vaccine_type)
-				del(D)
-				wait = 1
-				var/datum/reagents/R = beaker.reagents
-				var/datum/reagent/blood/Blood = null
-				for(var/datum/reagent/blood/L in R.reagent_list)
-					if(L)
-						Blood = L
-						break
-				var/list/res = Blood.data["resistances"]
-				spawn(res.len*500)
-					src.wait = null
+					var/vaccine_type = text2path(href_list["create_vaccine"])//the path is received as string - converting
+					var/datum/disease/D = new vaccine_type
+					if(D)
+						B.name = "[D.name] vaccine bottle"
+						B.reagents.add_reagent("vaccine",15,vaccine_type)
+						del(D)
+						wait = 1
+						var/datum/reagents/R = beaker.reagents
+						var/datum/reagent/blood/Blood = null
+						for(var/datum/reagent/blood/L in R.reagent_list)
+							if(L)
+								Blood = L
+								break
+						var/list/res = Blood.data["resistances"]
+						spawn(res.len*500)
+							src.wait = null
 			else
 				src.temphtml = "The replicator is not ready yet."
 			src.updateUsrDialog()
diff --git a/code/modules/research/rdconsole.dm b/code/modules/research/rdconsole.dm
index fa6178bdee2..ae45eb779b4 100644
--- a/code/modules/research/rdconsole.dm
+++ b/code/modules/research/rdconsole.dm
@@ -268,6 +268,7 @@ won't update every console in existence) but it's more of a hassle to do. Also,
 							if(!linked_destroy.hacked)
 								if(!linked_destroy.loaded_item)
 									usr <<"\red The destructive analyzer appears to be empty."
+									screen = 1.0
 									return
 								if(linked_destroy.loaded_item.reliability >= 90)
 									var/list/temp_tech = linked_destroy.ConvertReqString2List(linked_destroy.loaded_item.origin_tech)