diff --git a/BaseClasses.py b/BaseClasses.py
index d43c8751..7e17d469 100644
--- a/BaseClasses.py
+++ b/BaseClasses.py
@@ -304,6 +304,9 @@ class World(object):
     def is_tile_swapped(self, owid, player):
         return (self.mode[player] == 'inverted') != (owid in self.owswaps[player][0] and self.owMixed[player])
 
+    def is_bombshop_start(self, player):
+        return self.is_tile_swapped(0x2c, player) and (self.shuffle[player] in ['vanilla', 'dungeonssimple', 'dungeonsfull'] or not self.shufflelinks[player])
+
     def check_for_door(self, doorname, player):
         if isinstance(doorname, Door):
             return doorname
diff --git a/DoorShuffle.py b/DoorShuffle.py
index 17fda12c..45ecbc7b 100644
--- a/DoorShuffle.py
+++ b/DoorShuffle.py
@@ -1815,7 +1815,7 @@ def remove_pair_type_if_present(door, world, player):
 
 def find_inaccessible_regions(world, player):
     world.inaccessible_regions[player] = []
-    start_regions = ['Links House' if not world.is_tile_swapped(0x2c, player) else 'Big Bomb Shop', 'Sanctuary' if world.mode[player] != 'inverted' else 'Dark Sanctuary Hint']
+    start_regions = ['Links House' if not world.is_bombshop_start(player) else 'Big Bomb Shop', 'Sanctuary' if world.mode[player] != 'inverted' else 'Dark Sanctuary Hint']
     regs = convert_regions(start_regions, world, player)
     all_regions = [r for r in world.regions if r.player == player and r.type is not RegionType.Dungeon]
     visited_regions = set()
@@ -1851,7 +1851,7 @@ def find_accessible_entrances(world, player, builder):
     if world.mode[player] == 'standard' and builder.name == 'Hyrule Castle':
         start_regions = ['Hyrule Castle Courtyard']
     else:
-        start_regions = ['Links House' if not world.is_tile_swapped(0x2c, player) else 'Big Bomb Shop', 'Sanctuary' if world.mode[player] != 'inverted' else 'Dark Sanctuary Hint']
+        start_regions = ['Links House' if not world.is_bombshop_start(player) else 'Big Bomb Shop', 'Sanctuary' if world.mode[player] != 'inverted' else 'Dark Sanctuary Hint']
     if world.is_tile_swapped(0x1b, player):
         start_regions.append('Hyrule Castle Ledge')
     regs = convert_regions(start_regions, world, player)
@@ -1886,7 +1886,7 @@ def find_accessible_entrances(world, player, builder):
 
 
 def valid_inaccessible_region(world, r, player):
-    return r.type is not RegionType.Cave or (len(r.exits) > 0 and r.name not in ['Links House' if not world.is_tile_swapped(0x2c, player) else 'Big Bomb Shop', 'Chris Houlihan Room'])
+    return r.type is not RegionType.Cave or (len(r.exits) > 0 and r.name not in ['Links House' if not world.is_bombshop_start(player) else 'Big Bomb Shop', 'Chris Houlihan Room'])
 
 
 def add_inaccessible_doors(world, player):
diff --git a/EntranceShuffle.py b/EntranceShuffle.py
index 826dc585..90f78451 100644
--- a/EntranceShuffle.py
+++ b/EntranceShuffle.py
@@ -54,7 +54,7 @@ def link_entrances(world, player):
     for exitname, regionname in mandatory_connections:
         connect_simple(world, exitname, regionname, player)
 
-    if not world.is_tile_swapped(0x2c, player):
+    if not world.is_bombshop_start(player):
         connect_simple(world, 'Links House S&Q', 'Links House', player)
     else:
         connect_simple(world, 'Links House S&Q', 'Big Bomb Shop', player)
@@ -78,7 +78,7 @@ def link_entrances(world, player):
             connect_logical(world, entrancename, exitname, player, True)
         if invFlag:
             world.get_entrance('Dark Sanctuary Hint Exit', player).connect(world.get_entrance('Dark Sanctuary Hint', player).parent_region)
-        if world.is_tile_swapped(0x2c, player):
+        if world.is_bombshop_start(player):
             world.get_entrance('Big Bomb Shop Exit', player).connect(world.get_entrance('Big Bomb Shop', player).parent_region)
         
         ignore_pool = False
@@ -215,7 +215,7 @@ def link_entrances(world, player):
         junk_fill_inaccessible(world, player)
     
         # place bomb shop, has limited options
-        if not world.is_tile_swapped(0x2c, player):
+        if not world.is_bombshop_start(player):
             bomb_shop_doors = list(entrance_pool)
             if world.logic[player] in ['noglitches', 'minorglitches'] or world.is_tile_swapped(0x1b, player):
                 bomb_shop_doors = [e for e in entrance_pool if e not in ['Pyramid Fairy']]
@@ -261,7 +261,7 @@ def link_entrances(world, player):
         place_old_man(world, lw_entrances if not invFlag else dw_entrances, player)
         
         # place bomb shop, has limited options
-        if not world.is_tile_swapped(0x2c, player):
+        if not world.is_bombshop_start(player):
             bomb_shop_doors = list(entrance_pool)
             if world.logic[player] in ['noglitches', 'minorglitches'] or world.is_tile_swapped(0x1b, player):
                 bomb_shop_doors = [e for e in entrance_pool if e not in ['Pyramid Fairy']]
@@ -319,7 +319,7 @@ def link_entrances(world, player):
         place_old_man(world, lw_entrances if not invFlag else dw_entrances, player, list(zip(*drop_connections + dropexit_connections))[0])
         
         # place bomb shop, has limited options
-        if not world.is_tile_swapped(0x2c, player):
+        if not world.is_bombshop_start(player):
             bomb_shop_doors = [e for e in entrance_pool if e not in list(zip(*drop_connections + dropexit_connections))[0]]
             if world.logic[player] in ['noglitches', 'minorglitches'] or world.is_tile_swapped(0x1b, player):
                 bomb_shop_doors = [e for e in bomb_shop_doors if e not in ['Pyramid Fairy']]
@@ -422,7 +422,7 @@ def link_entrances(world, player):
         connect_caves(world, lw_entrances, dw_entrances, caves, player)
         
         # place bomb shop, has limited options
-        if not world.is_tile_swapped(0x2c, player):
+        if not world.is_bombshop_start(player):
             bomb_shop_doors = list(entrance_pool)
             if world.logic[player] in ['noglitches', 'minorglitches'] or world.is_tile_swapped(0x1b, player):
                 bomb_shop_doors = [e for e in entrance_pool if e not in ['Pyramid Fairy']]
@@ -477,7 +477,7 @@ def link_entrances(world, player):
         connect_caves(world, connector_entrances, [], caves, player)
         
         # place bomb shop, has limited options
-        if not world.is_tile_swapped(0x2c, player):
+        if not world.is_bombshop_start(player):
             bomb_shop_doors = list(entrance_pool)
             if world.logic[player] in ['noglitches', 'minorglitches'] or world.is_tile_swapped(0x1b, player):
                 bomb_shop_doors = [e for e in entrance_pool if e not in ['Pyramid Fairy']]
@@ -527,7 +527,7 @@ def link_entrances(world, player):
         place_old_man(world, pool, player)
     
         # place bomb shop, has limited options
-        if not world.is_tile_swapped(0x2c, player):
+        if not world.is_bombshop_start(player):
             bomb_shop_doors = list(entrance_pool)
             if world.logic[player] in ['noglitches', 'minorglitches'] or world.is_tile_swapped(0x1b, player):
                 bomb_shop_doors = [e for e in entrance_pool if e not in ['Pyramid Fairy']]
@@ -611,7 +611,7 @@ def link_entrances(world, player):
         caves.append('Old Man Cave Exit (West)')
 
         # place bomb shop, has limited options
-        if not world.is_tile_swapped(0x2c, player):
+        if not world.is_bombshop_start(player):
             bomb_shop_doors = list(entrance_pool)
             if world.logic[player] in ['noglitches', 'minorglitches'] or world.is_tile_swapped(0x1b, player):
                 bomb_shop_doors = [e for e in entrance_pool if e not in ['Pyramid Fairy']]
@@ -642,8 +642,8 @@ def link_entrances(world, player):
     # ensure Houlihan exits where Links House does
     # TODO: Plando should overrule this
     if not links_house:
-        for links_house in world.get_entrance('Links House Exit' if not world.is_tile_swapped(0x2c, player) else 'Big Bomb Shop Exit', player).connected_region.exits:
-            if links_house.connected_region and links_house.connected_region.name == ('Links House' if not world.is_tile_swapped(0x2c, player) else 'Big Bomb Shop'):
+        for links_house in world.get_entrance('Links House Exit' if not world.is_bombshop_start(player) else 'Big Bomb Shop Exit', player).connected_region.exits:
+            if links_house.connected_region and links_house.connected_region.name == ('Links House' if not world.is_bombshop_start(player) else 'Big Bomb Shop'):
                 links_house = links_house.name
                 break
     connect_exit(world, 'Chris Houlihan Room Exit', links_house, player)
@@ -1342,7 +1342,7 @@ def full_shuffle_dungeons(world, Dungeon_Exits, player):
 def place_links_house(world, player, ignore_list=[]):
     invFlag = world.mode[player] == 'inverted'
     if world.mode[player] == 'standard' or not world.shufflelinks[player]:
-        links_house = 'Links House' if not world.is_tile_swapped(0x2c, player) else 'Big Bomb Shop'
+        links_house = 'Links House' if not world.is_bombshop_start(player) else 'Big Bomb Shop'
     else:
         if invFlag:
             for dark_sanc in world.get_entrance('Dark Sanctuary Hint Exit', player).connected_region.exits:
@@ -1361,7 +1361,7 @@ def place_links_house(world, player, ignore_list=[]):
         links_house_doors = [e for e in links_house_doors if e not in ignore_list]
         assert len(links_house_doors), 'No valid candidates to place Links House'
         links_house = random.choice(links_house_doors)
-    if not world.is_tile_swapped(0x2c, player):
+    if not world.is_bombshop_start(player):
         connect_two_way(world, links_house, 'Links House Exit', player)
     else:
         connect_entrance(world, links_house, 'Big Bomb Shop', player)
diff --git a/OverworldShuffle.py b/OverworldShuffle.py
index 0c019feb..40c98c36 100644
--- a/OverworldShuffle.py
+++ b/OverworldShuffle.py
@@ -841,7 +841,7 @@ def can_reach_smith(world, player):
     
     found = False
     explored_regions = list()
-    if not world.is_tile_swapped(0x2c, player):
+    if not world.is_bombshop_start(player):
         start_region = 'Links House'
     else:
         start_region = 'Big Bomb Shop'
@@ -1031,7 +1031,7 @@ def validate_layout(world, player):
     explored_regions = list()
 
     if world.shuffle[player] in ['vanilla', 'dungeonssimple', 'dungeonsfull'] or not world.shufflelinks[player]:
-        if not world.is_tile_swapped(0x2c, player):
+        if not world.is_bombshop_start(player):
             start_region = 'Links House Area'
         else:
             start_region = 'Big Bomb Shop Area'