diff --git a/README.md b/README.md
index 9ea8399b..54a77813 100644
--- a/README.md
+++ b/README.md
@@ -600,6 +600,7 @@
 * Moved weapon locker to the downstairs fridge
 * Quick Revive elevator randomizes with Speed Cola and Who's Who elevators
 * Pack-a-Punch can be used while elevator is moving
+* Doors that open the same zone in the Lower Blue Highrise area open together
 * Zombies killed by an elevator no longer respawn
 * Zombies are no longer killed while spawning in a stationary elevator
 * Zombies no longer spawn in the Upper Blue Highrise area when in the Green Highrise area
diff --git a/scripts/zm/_zm_reimagined.gsc b/scripts/zm/_zm_reimagined.gsc
index a46af021..b29b2871 100644
--- a/scripts/zm/_zm_reimagined.gsc
+++ b/scripts/zm/_zm_reimagined.gsc
@@ -70,6 +70,8 @@ main()
 	replaceFunc(maps\mp\zombies\_zm_laststand::revive_give_back_weapons, scripts\zm\replaced\_zm_laststand::revive_give_back_weapons);
 	replaceFunc(maps\mp\zombies\_zm_laststand::revive_hud_think, scripts\zm\replaced\_zm_laststand::revive_hud_think);
 	replaceFunc(maps\mp\zombies\_zm_laststand::auto_revive, scripts\zm\replaced\_zm_laststand::auto_revive);
+	replaceFunc(maps\mp\zombies\_zm_blockers::door_buy, scripts\zm\replaced\_zm_blockers::door_buy);
+	replaceFunc(maps\mp\zombies\_zm_blockers::door_opened, scripts\zm\replaced\_zm_blockers::door_opened);
 	replaceFunc(maps\mp\zombies\_zm_blockers::player_fails_blocker_repair_trigger_preamble, scripts\zm\replaced\_zm_blockers::player_fails_blocker_repair_trigger_preamble);
 	replaceFunc(maps\mp\zombies\_zm_weapons::init_weapon_upgrade, scripts\zm\replaced\_zm_weapons::init_weapon_upgrade);
 	replaceFunc(maps\mp\zombies\_zm_weapons::add_dynamic_wallbuy, scripts\zm\replaced\_zm_weapons::add_dynamic_wallbuy);
diff --git a/scripts/zm/replaced/_zm_blockers.gsc b/scripts/zm/replaced/_zm_blockers.gsc
index 79451b94..fb38dae0 100644
--- a/scripts/zm/replaced/_zm_blockers.gsc
+++ b/scripts/zm/replaced/_zm_blockers.gsc
@@ -1,6 +1,186 @@
-#include maps\mp\_utility;
 #include common_scripts\utility;
+#include maps\mp\_utility;
+#include maps\mp\zombies\_zm_net;
 #include maps\mp\zombies\_zm_utility;
+#include maps\mp\zombies\_zm_weapons;
+#include maps\mp\zombies\_zm_pers_upgrades_functions;
+#include maps\mp\zombies\_zm_score;
+#include maps\mp\_demo;
+#include maps\mp\zombies\_zm_stats;
+#include maps\mp\zombies\_zm_audio;
+#include maps\mp\zombies\_zm_zonemgr;
+#include maps\mp\zombies\_zm_laststand;
+#include maps\mp\zombies\_zm_spawner;
+#include maps\mp\zombies\_zm_unitrigger;
+#include maps\mp\zombies\_zm_blockers;
+
+door_buy()
+{
+    self waittill( "trigger", who, force );
+
+    if ( isdefined( level.custom_door_buy_check ) )
+    {
+        if ( !who [[ level.custom_door_buy_check ]]( self ) )
+            return false;
+    }
+
+    if ( getdvarint( _hash_2ECA0C0E ) > 0 || isdefined( force ) && force )
+        return true;
+
+    if ( !who usebuttonpressed() )
+        return false;
+
+    if ( who in_revive_trigger() )
+        return false;
+
+    if ( is_player_valid( who ) )
+    {
+        players = get_players();
+        cost = self.zombie_cost;
+
+        if ( who maps\mp\zombies\_zm_pers_upgrades_functions::is_pers_double_points_active() )
+            cost = who maps\mp\zombies\_zm_pers_upgrades_functions::pers_upgrade_double_points_cost( cost );
+
+        if ( self._door_open == 1 )
+            self.purchaser = undefined;
+        else if ( who.score >= cost )
+        {
+            who maps\mp\zombies\_zm_score::minus_to_player_score( cost, 1 );
+            maps\mp\_demo::bookmark( "zm_player_door", gettime(), who );
+            who maps\mp\zombies\_zm_stats::increment_client_stat( "doors_purchased" );
+            who maps\mp\zombies\_zm_stats::increment_player_stat( "doors_purchased" );
+            self.purchaser = who;
+        }
+        else
+        {
+            play_sound_at_pos( "no_purchase", self.origin );
+
+            if ( isdefined( level.custom_generic_deny_vo_func ) )
+                who thread [[ level.custom_generic_deny_vo_func ]]( 1 );
+            else
+                who maps\mp\zombies\_zm_audio::create_and_play_dialog( "general", "door_deny" );
+
+            return false;
+        }
+    }
+
+    if ( isdefined( level._door_open_rumble_func ) )
+        who thread [[ level._door_open_rumble_func ]]();
+
+    return true;
+}
+
+door_opened( cost, quick_close )
+{
+    if ( isdefined( self.door_is_moving ) && self.door_is_moving )
+        return;
+
+	play_sound_at_pos( "purchase", self.origin );
+
+    self.has_been_opened = 1;
+    all_trigs = getentarray( self.target, "target" );
+    self.door_is_moving = 1;
+
+    foreach ( trig in all_trigs )
+    {
+        trig.door_is_moving = 1;
+        trig trigger_off();
+        trig.has_been_opened = 1;
+
+        if ( !isdefined( trig._door_open ) || trig._door_open == 0 )
+        {
+            trig._door_open = 1;
+            trig notify( "door_opened" );
+            level thread maps\mp\zombies\_zm_audio::sndmusicstingerevent( "door_open" );
+        }
+        else
+            trig._door_open = 0;
+
+        if ( isdefined( trig.script_flag ) && trig._door_open == 1 )
+        {
+            tokens = strtok( trig.script_flag, "," );
+
+            for ( i = 0; i < tokens.size; i++ )
+                flag_set( tokens[i] );
+        }
+        else if ( isdefined( trig.script_flag ) && trig._door_open == 0 )
+        {
+            tokens = strtok( trig.script_flag, "," );
+
+            for ( i = 0; i < tokens.size; i++ )
+                flag_clear( tokens[i] );
+        }
+
+        if ( isdefined( quick_close ) && quick_close )
+        {
+            trig set_hint_string( trig, "" );
+            continue;
+        }
+
+        if ( trig._door_open == 1 && flag( "door_can_close" ) )
+        {
+            trig set_hint_string( trig, "default_buy_door_close" );
+            continue;
+        }
+
+        if ( trig._door_open == 0 )
+            trig set_hint_string( trig, "default_buy_door", cost );
+    }
+
+    level notify( "door_opened" );
+
+    if ( isdefined( self.doors ) )
+    {
+        is_script_model_door = 0;
+        have_moving_clip_for_door = 0;
+        use_blocker_clip_for_pathing = 0;
+
+        foreach ( door in self.doors )
+        {
+            if ( is_true( door.ignore_use_blocker_clip_for_pathing_check ) )
+                continue;
+
+            if ( door.classname == "script_model" )
+            {
+                is_script_model_door = 1;
+                continue;
+            }
+
+            if ( door.classname == "script_brushmodel" && ( !isdefined( door.script_noteworthy ) || door.script_noteworthy != "clip" ) && ( !isdefined( door.script_string ) || door.script_string != "clip" ) )
+                have_moving_clip_for_door = 1;
+        }
+
+        use_blocker_clip_for_pathing = is_script_model_door && !have_moving_clip_for_door;
+
+        for ( i = 0; i < self.doors.size; i++ )
+		{
+			self.doors[i] thread door_activate( self.doors[i].script_transition_time, self._door_open, quick_close, use_blocker_clip_for_pathing );
+		}
+    }
+
+    level.active_zone_names = maps\mp\zombies\_zm_zonemgr::get_active_zone_names();
+    wait 1;
+    self.door_is_moving = 0;
+
+    foreach ( trig in all_trigs )
+        trig.door_is_moving = 0;
+
+    if ( isdefined( quick_close ) && quick_close )
+    {
+        for ( i = 0; i < all_trigs.size; i++ )
+            all_trigs[i] trigger_on();
+
+        return;
+    }
+
+    if ( flag( "door_can_close" ) )
+    {
+        wait 2.0;
+
+        for ( i = 0; i < all_trigs.size; i++ )
+            all_trigs[i] trigger_on();
+    }
+}
 
 handle_post_board_repair_rewards( cost, zbarrier )
 {
diff --git a/scripts/zm/zm_highrise/zm_highrise_reimagined.gsc b/scripts/zm/zm_highrise/zm_highrise_reimagined.gsc
index 3666bd33..e21d5b9c 100644
--- a/scripts/zm/zm_highrise/zm_highrise_reimagined.gsc
+++ b/scripts/zm/zm_highrise/zm_highrise_reimagined.gsc
@@ -46,6 +46,8 @@ main()
 	replaceFunc(maps\mp\zombies\_zm_banking::bank_deposit_unitrigger, scripts\zm\replaced\_zm_banking::bank_deposit_unitrigger);
 	replaceFunc(maps\mp\zombies\_zm_banking::bank_withdraw_unitrigger, scripts\zm\replaced\_zm_banking::bank_withdraw_unitrigger);
 	replaceFunc(maps\mp\zombies\_zm_weapon_locker::triggerweaponslockerisvalidweaponpromptupdate, scripts\zm\replaced\_zm_weapon_locker::triggerweaponslockerisvalidweaponpromptupdate);
+
+	door_changes();
 }
 
 init()
@@ -65,6 +67,34 @@ init()
 	level thread zombie_bad_zone_watcher();
 }
 
+door_changes()
+{
+	zombie_doors = getentarray( "zombie_door", "targetname" );
+	for ( i = 0; i < zombie_doors.size; i++ )
+	{
+		new_target = undefined;
+		if (zombie_doors[i].target == "pf1577_auto2497")
+		{
+			new_target = "pf1577_auto2496";
+		}
+		else if (zombie_doors[i].target == "debris_blue_level4a_left_door_parts")
+		{
+			new_target = "debris_blue_level4a_right_door_parts";
+		}
+
+		if (isDefined(new_target))
+		{
+			targets = getentarray( zombie_doors[i].target, "targetname" );
+			zombie_doors[i].target = new_target;
+
+			foreach (target in targets)
+			{
+				target.targetname = zombie_doors[i].target;
+			}
+		}
+	}
+}
+
 zombie_init_done()
 {
 	self.allowpain = 0;