diff --git a/code/modules/admin/admin.dm b/code/modules/admin/admin.dm
index 999ece2b788..4c60ca45927 100644
--- a/code/modules/admin/admin.dm
+++ b/code/modules/admin/admin.dm
@@ -435,6 +435,7 @@ var/global/floorIsLava = 0
 			<B>Fun Secrets</B><BR>
 			<BR>
 			<A href='?src=\ref[src];secretsfun=monkey'>Turn all humans into monkeys</A><BR>
+			<A href='?src=\ref[src];secretsfun=allspecies'>Change the species of all humans</A><BR>
 			<A href='?src=\ref[src];secretsfun=power'>Make all areas powered</A><BR>
 			<A href='?src=\ref[src];secretsfun=unpower'>Make all areas unpowered</A><BR>
 			<A href='?src=\ref[src];secretsfun=quickpower'>Power all SMES</A><BR>
diff --git a/code/modules/admin/topic.dm b/code/modules/admin/topic.dm
index 5f130d35d58..b1261b8000b 100644
--- a/code/modules/admin/topic.dm
+++ b/code/modules/admin/topic.dm
@@ -1582,6 +1582,15 @@
 					spawn(0)
 						H.monkeyize()
 				ok = 1
+			if("allspecies")
+				var/result = input(usr, "Please choose a new species","Species") as null|anything in species_list
+				if(result)
+					log_admin("[key_name(usr)] turned all humans into [result]", 1)
+					message_admins("\blue [key_name_admin(usr)] turned all humans into [result]", 1)
+					for(var/mob/living/carbon/human/H in mob_list)
+						var/newtype = species_list[result]
+						H.dna.species = new newtype()
+						H.regenerate_icons()
 			if("corgi")
 				feedback_inc("admin_secrets_fun_used",1)
 				feedback_add_details("admin_secrets_fun_used","M")