diff --git a/BaseClasses.py b/BaseClasses.py
index 0c2925e5..6e1ebd41 100644
--- a/BaseClasses.py
+++ b/BaseClasses.py
@@ -1538,6 +1538,11 @@ class Region(object):
         self.crystal_switch = False
 
     def can_reach(self, state):
+        from Utils import stack_size3a
+        from DungeonGenerator import GenerationException
+        if stack_size3a() > 500:
+            raise GenerationException(f'Infinite loop detected for "{self.name}" located at \'Region.can_reach\'')
+        
         if state.stale[self.player]:
             state.update_reachable_regions(self.player)
         return self in state.reachable_regions[self.player]
diff --git a/CHANGELOG.md b/CHANGELOG.md
index dd9cae91..e2990d4f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+### 0.2.3.5
+- Fixed issue with multiworld generation
+- Added infinite loop detection
+- Move mirror portal off screen during mirror bonk in Crossed OW
+
 ### 0.2.3.4
 - Fixed major issue with subsequent seeds using same seed/settings resulting different
 - Flute Shuffle now awards separated regions a prorated number of flute spots based on size
diff --git a/EntranceShuffle.py b/EntranceShuffle.py
index 2b51eaaf..337eb453 100644
--- a/EntranceShuffle.py
+++ b/EntranceShuffle.py
@@ -40,9 +40,9 @@ def link_entrances(world, player):
         connect_simple(world, 'Other World S&Q', 'Pyramid Area', player)
     else:
         entrance_pool.remove('Pyramid Hole')
-        entrance_pool.add('Inverted Pyramid Hole')
+        entrance_pool.append('Inverted Pyramid Hole')
         entrance_pool.remove('Pyramid Entrance')
-        entrance_pool.add('Inverted Pyramid Entrance')
+        entrance_pool.append('Inverted Pyramid Entrance')
         drop_connections.append(tuple(('Inverted Pyramid Hole', 'Pyramid')))
         dropexit_connections.append(tuple(('Inverted Pyramid Entrance', 'Pyramid Exit')))
         connect_simple(world, 'Other World S&Q', 'Hyrule Castle Ledge', player)
@@ -1476,8 +1476,8 @@ def junk_fill_inaccessible(world, player):
     from DoorShuffle import find_inaccessible_regions
     find_inaccessible_regions(world, player)
 
-    for player in range(1, world.players + 1):
-        world.key_logic[player] = {}
+    for p in range(1, world.players + 1):
+        world.key_logic[p] = {}
     base_world = copy_world(world)
     base_world.override_bomb_check = True
     world.key_logic = {}
@@ -1641,8 +1641,8 @@ def build_accessible_entrance_list(world, start_region, player, assumed_inventor
     from Main import copy_world
     from Items import ItemFactory
     
-    for player in range(1, world.players + 1):
-        world.key_logic[player] = {}
+    for p in range(1, world.players + 1):
+        world.key_logic[p] = {}
     base_world = copy_world(world)
     base_world.override_bomb_check = True
     world.key_logic = {}
@@ -1751,8 +1751,8 @@ def can_reach(world, entrance_name, region_name, player):
     from Items import ItemFactory
     from DoorShuffle import find_inaccessible_regions
     
-    for player in range(1, world.players + 1):
-        world.key_logic[player] = {}
+    for p in range(1, world.players + 1):
+        world.key_logic[p] = {}
     base_world = copy_world(world)
     base_world.override_bomb_check = True
     world.key_logic = {}
diff --git a/OverworldShuffle.py b/OverworldShuffle.py
index 04f2d575..3f753b85 100644
--- a/OverworldShuffle.py
+++ b/OverworldShuffle.py
@@ -4,7 +4,7 @@ from BaseClasses import OWEdge, WorldType, RegionType, Direction, Terrain, PolSl
 from Regions import mark_dark_world_regions, mark_light_world_regions
 from OWEdges import OWTileRegions, OWTileGroups, OWEdgeGroups, OWExitTypes, OpenStd, parallel_links, IsParallel
 
-__version__ = '0.2.3.4-u'
+__version__ = '0.2.3.5-u'
 
 def link_overworld(world, player):
     # setup mandatory connections
@@ -853,8 +853,8 @@ def build_sectors(world, player):
     from OWEdges import OWTileRegions
     
     # perform accessibility check on duplicate world
-    for player in range(1, world.players + 1):
-        world.key_logic[player] = {}
+    for p in range(1, world.players + 1):
+        world.key_logic[p] = {}
     base_world = copy_world(world)
     world.key_logic = {}
     
@@ -906,8 +906,12 @@ def build_accessible_region_list(world, start_region, player, build_copy_world=F
     from Main import copy_world
     from BaseClasses import CollectionState
     from Items import ItemFactory
+    from Utils import stack_size3a
     
     def explore_region(region_name, region=None):
+        if stack_size3a() > 500:
+            raise GenerationException(f'Infinite loop detected for "{start_region}" located at \'build_accessible_region_list\'')
+
         explored_regions.append(region_name)
         if not region:
             region = base_world.get_region(region_name, player)
@@ -925,8 +929,8 @@ def build_accessible_region_list(world, start_region, player, build_copy_world=F
                     explore_region(exit.connected_region.name, exit.connected_region)
     
     if build_copy_world:
-        for player in range(1, world.players + 1):
-            world.key_logic[player] = {}
+        for p in range(1, world.players + 1):
+            world.key_logic[p] = {}
         base_world = copy_world(world)
         base_world.override_bomb_check = True
         world.key_logic = {}
diff --git a/Rom.py b/Rom.py
index 6c57d091..8ff75fbd 100644
--- a/Rom.py
+++ b/Rom.py
@@ -33,7 +33,7 @@ from source.classes.SFX import randomize_sfx
 
 
 JAP10HASH = '03a63945398191337e896e5771f77173'
-RANDOMIZERBASEHASH = 'c5903112ffe302d1e9a3878ee720d1b3'
+RANDOMIZERBASEHASH = 'c1a00c60144c6cc5a6ef5f00617a9b38'
 
 
 class JsonRom(object):
diff --git a/Utils.py b/Utils.py
index deed090d..99702a98 100644
--- a/Utils.py
+++ b/Utils.py
@@ -7,6 +7,7 @@ import sys
 import xml.etree.ElementTree as ET
 from collections import defaultdict
 from functools import reduce
+from itertools import count
 
 
 def int16_as_bytes(value):
@@ -674,6 +675,21 @@ def extract_data_from_jp_rom(rom):
         print()
 
 
+def stack_size3a(size=2):
+    # See reference: https://stackoverflow.com/questions/34115298/how-do-i-get-the-current-depth-of-the-python-interpreter-stack
+    """Get stack size for caller's frame."""
+    frame = sys._getframe(size)
+    try:
+        for size in count(size, 8):
+            frame = frame.f_back.f_back.f_back.f_back.\
+                f_back.f_back.f_back.f_back
+    except AttributeError:
+        while frame:
+            frame = frame.f_back
+            size += 1
+        return size - 1
+
+
 class bidict(dict):
     def __init__(self, *args, **kwargs):
         super(bidict, self).__init__(*args, **kwargs)
diff --git a/asm/owrando.asm b/asm/owrando.asm
index f239b436..065cbfd8 100644
--- a/asm/owrando.asm
+++ b/asm/owrando.asm
@@ -160,6 +160,12 @@ OWPreserveMirrorSprite:
     pla : lda #$de : pha ; in vanilla, if in dark world, jump to $05afdf
     rtl
 }
+OWMirrorSpriteMove:
+{
+    lda.l OWMode+1 : and.b #!FLAG_OW_CROSSED : beq +
+        lda $1acf : eor #$80 : sta $1acf
+    + lda #$2c : jml.l $07A985 ; what we wrote over
+}
 
 OWFluteCancel:
 {
diff --git a/data/base2current.bps b/data/base2current.bps
index e229d170..bac70e13 100644
Binary files a/data/base2current.bps and b/data/base2current.bps differ