diff --git a/code/controllers/subsystem/minimap.dm b/code/controllers/subsystem/minimap.dm
index 55d8b0a0c92d..d49c237a08f1 100644
--- a/code/controllers/subsystem/minimap.dm
+++ b/code/controllers/subsystem/minimap.dm
@@ -398,6 +398,36 @@ SUBSYSTEM_DEF(minimaps)
 
 	return map_list[map_length]
 
+/**
+ * Sends relevant flattened tacmaps to a late joiner.
+ *
+ * Arguments:
+ * * user: The mob that is either an observer, marine, or xeno
+ */
+/datum/proc/send_tacmap_assets_latejoin(mob/user)
+	if(!user.client)
+		return
+
+	var/is_observer = user.faction == FACTION_NEUTRAL && isobserver(user)
+	if(is_observer || user.faction == FACTION_MARINE)
+		// Send marine maps
+		var/datum/flattend_tacmap/latest = get_tacmap_data_png(FACTION_MARINE)
+		if(latest)
+			SSassets.transport.send_assets(user.client, latest.asset_key)
+		var/datum/flattend_tacmap/unannounced = get_unannounced_tacmap_data_png(FACTION_MARINE)
+		if(unannounced && (!latest || latest.asset_key != unannounced.asset_key))
+			SSassets.transport.send_assets(user.client, unannounced.asset_key)
+
+	var/mob/living/carbon/xenomorph/xeno = user
+	if(is_observer || istype(xeno) && xeno.hivenumber == XENO_HIVE_NORMAL)
+		// Send xeno maps
+		var/datum/flattend_tacmap/latest = get_tacmap_data_png(XENO_HIVE_NORMAL)
+		if(latest)
+			SSassets.transport.send_assets(user.client, latest.asset_key)
+		var/datum/flattend_tacmap/unannounced = get_unannounced_tacmap_data_png(XENO_HIVE_NORMAL)
+		if(unannounced && (!latest || latest.asset_key != unannounced.asset_key))
+			SSassets.transport.send_assets(user.client, unannounced.asset_key)
+
 /**
  * Flattens the current map and then distributes it for the specified faction as an unannounced map.
  *
diff --git a/code/game/gamemodes/cm_initialize.dm b/code/game/gamemodes/cm_initialize.dm
index effd3325f887..d0f0e3d40e6c 100644
--- a/code/game/gamemodes/cm_initialize.dm
+++ b/code/game/gamemodes/cm_initialize.dm
@@ -423,7 +423,7 @@ Additional game mode variables.
 				for(var/mob_name in picked_hive.banished_ckeys)
 					if(picked_hive.banished_ckeys[mob_name] == xeno_candidate.ckey)
 						to_chat(xeno_candidate, SPAN_WARNING("You are banished from the [picked_hive], you may not rejoin unless the Queen re-admits you or dies."))
-						return
+						return FALSE
 				if(isnewplayer(xeno_candidate))
 					var/mob/new_player/noob = xeno_candidate
 					noob.close_spawn_windows()
@@ -443,9 +443,6 @@ Additional game mode variables.
 			return FALSE
 		new_xeno = userInput
 
-		if(!xeno_candidate)
-			return FALSE
-
 		if(!(new_xeno in GLOB.living_xeno_list) || new_xeno.stat == DEAD)
 			to_chat(xeno_candidate, SPAN_WARNING("You cannot join if the xenomorph is dead."))
 			return FALSE
@@ -479,14 +476,14 @@ Additional game mode variables.
 	else new_xeno = pick(available_xenos_non_ssd) //Just picks something at random.
 	if(istype(new_xeno) && xeno_candidate && xeno_candidate.client)
 		if(isnewplayer(xeno_candidate))
-			var/mob/new_player/N = xeno_candidate
-			N.close_spawn_windows()
+			var/mob/new_player/noob = xeno_candidate
+			noob.close_spawn_windows()
 		for(var/mob_name in new_xeno.hive.banished_ckeys)
 			if(new_xeno.hive.banished_ckeys[mob_name] == xeno_candidate.ckey)
 				to_chat(xeno_candidate, SPAN_WARNING("You are banished from this hive, You may not rejoin unless the Queen re-admits you or dies."))
-				return
+				return FALSE
 		if(transfer_xeno(xeno_candidate, new_xeno))
-			return 1
+			return TRUE
 	to_chat(xeno_candidate, "JAS01: Something went wrong, tell a coder.")
 
 /datum/game_mode/proc/attempt_to_join_as_facehugger(mob/xeno_candidate)
@@ -614,20 +611,21 @@ Additional game mode variables.
 /datum/game_mode/proc/transfer_xeno(xeno_candidate, mob/living/new_xeno)
 	if(!xeno_candidate || !isxeno(new_xeno) || QDELETED(new_xeno))
 		return FALSE
+
 	var/datum/mind/xeno_candidate_mind
 	if(ismind(xeno_candidate))
 		xeno_candidate_mind = xeno_candidate
 	else if(ismob(xeno_candidate))
-		var/mob/M = xeno_candidate
-		if(M.mind)
-			xeno_candidate_mind = M.mind
+		var/mob/xeno_candidate_mob = xeno_candidate
+		if(xeno_candidate_mob.mind)
+			xeno_candidate_mind = xeno_candidate_mob.mind
 		else
-			xeno_candidate_mind = new /datum/mind(M.key, M.ckey)
+			xeno_candidate_mind = new /datum/mind(xeno_candidate_mob.key, xeno_candidate_mob.ckey)
 			xeno_candidate_mind.active = TRUE
 			xeno_candidate_mind.current = new_xeno
 	else if(isclient(xeno_candidate))
-		var/client/C = xeno_candidate
-		xeno_candidate_mind = new /datum/mind(C.key, C.ckey)
+		var/client/xeno_candidate_client = xeno_candidate
+		xeno_candidate_mind = new /datum/mind(xeno_candidate_client.key, xeno_candidate_client.ckey)
 		xeno_candidate_mind.active = TRUE
 		xeno_candidate_mind.current = new_xeno
 	else
@@ -645,6 +643,8 @@ Additional game mode variables.
 	SSround_recording.recorder.update_key(new_xeno)
 	if(new_xeno.client)
 		new_xeno.client.change_view(world_view_size)
+		if(isnewplayer(xeno_candidate))
+			send_tacmap_assets_latejoin(new_xeno)
 
 	msg_admin_niche("[new_xeno.key] has joined as [new_xeno].")
 	if(isxeno(new_xeno)) //Dear lord
diff --git a/code/modules/cm_aliens/structures/special/pylon_core.dm b/code/modules/cm_aliens/structures/special/pylon_core.dm
index 062204f30622..a0db75b365b5 100644
--- a/code/modules/cm_aliens/structures/special/pylon_core.dm
+++ b/code/modules/cm_aliens/structures/special/pylon_core.dm
@@ -318,7 +318,7 @@
 		to_chat(new_xeno, SPAN_XENOANNOUNCE("You are a xenomorph larva awakened from slumber!"))
 		playsound(new_xeno, 'sound/effects/xeno_newlarva.ogg', 50, 1)
 		if(new_xeno.client)
-			if(new_xeno.client?.prefs.toggles_flashing & FLASH_POOLSPAWN)
+			if(new_xeno.client.prefs.toggles_flashing & FLASH_POOLSPAWN)
 				window_flash(new_xeno.client)
 
 		linked_hive.stored_larva--
diff --git a/code/modules/mob/new_player/new_player.dm b/code/modules/mob/new_player/new_player.dm
index 5da499dabc52..d18754221c8a 100644
--- a/code/modules/mob/new_player/new_player.dm
+++ b/code/modules/mob/new_player/new_player.dm
@@ -146,11 +146,12 @@
 
 				if(observer.client)
 					observer.client.change_view(world_view_size)
+					send_tacmap_assets_latejoin(observer)
 
 				observer.set_huds_from_prefs()
 
 				qdel(src)
-				return 1
+				return TRUE
 
 		if("late_join")
 
@@ -276,11 +277,12 @@
 		if(player.get_playtime(STATISTIC_HUMAN) == 0 && player.get_playtime(STATISTIC_XENO) == 0)
 			msg_admin_niche("NEW JOIN: <b>[key_name(character, 1, 1, 0)]</b>. IP: [character.lastKnownIP], CID: [character.computer_id]")
 		if(character.client)
-			var/client/C = character.client
-			if(C.player_data && C.player_data.playtime_loaded && length(C.player_data.playtimes) == 0)
+			var/client/client = character.client
+			if(client.player_data && client.player_data.playtime_loaded && length(client.player_data.playtimes) == 0)
 				msg_admin_niche("NEW PLAYER: <b>[key_name(character, 1, 1, 0)]</b>. IP: [character.lastKnownIP], CID: [character.computer_id]")
-			if(C.player_data && C.player_data.playtime_loaded && ((round(C.get_total_human_playtime() DECISECONDS_TO_HOURS, 0.1)) <= 5))
-				msg_sea("NEW PLAYER: <b>[key_name(character, 0, 1, 0)]</b> only has [(round(C.get_total_human_playtime() DECISECONDS_TO_HOURS, 0.1))] hours as a human. Current role: [get_actual_job_name(character)] - Current location: [get_area(character)]")
+			if(client.player_data && client.player_data.playtime_loaded && ((round(client.get_total_human_playtime() DECISECONDS_TO_HOURS, 0.1)) <= 5))
+				msg_sea("NEW PLAYER: <b>[key_name(character, 0, 1, 0)]</b> only has [(round(client.get_total_human_playtime() DECISECONDS_TO_HOURS, 0.1))] hours as a human. Current role: [get_actual_job_name(character)] - Current location: [get_area(character)]")
+			send_tacmap_assets_latejoin(character)
 
 	character.client.init_verbs()
 	qdel(src)