diff --git a/BaseClasses.py b/BaseClasses.py
index 138f8bae..f0f48418 100644
--- a/BaseClasses.py
+++ b/BaseClasses.py
@@ -71,6 +71,7 @@ class World(object):
         self.fix_palaceofdarkness_exit = {}
         self.fix_trock_exit = {}
         self.shuffle_ganon = shuffle_ganon
+        self.dark_rooms = {}
         self.custom = custom
         self.customitemarray = customitemarray
         self.can_take_damage = True
@@ -169,6 +170,7 @@ class World(object):
             set_player_attr('pot_contents', None)
             set_player_attr('pseudoboots', False)
             set_player_attr('mirrorscroll', False)
+            set_player_attr('dark_rooms', 'require_lamp')
             set_player_attr('collection_rate', False)
             set_player_attr('colorizepots', True)
             set_player_attr('pot_pool', {})
@@ -3062,6 +3064,7 @@ class Spoiler(object):
                          'shopsanity': self.world.shopsanity,
                          'pseudoboots': self.world.pseudoboots,
                          'mirrorscroll': self.world.mirrorscroll,
+                         'dark_rooms': self.world.dark_rooms,
                          'triforcegoal': self.world.treasure_hunt_count,
                          'triforcepool': self.world.treasure_hunt_total,
                          'race': self.world.settings.world_rep['meta']['race'],
@@ -3311,6 +3314,7 @@ class Spoiler(object):
                     outfile.write('\n')
                     outfile.write('Pseudoboots:'.ljust(line_width) + '%s\n' % yn(self.metadata['pseudoboots'][player]))
                     outfile.write('Mirror Scroll:'.ljust(line_width) + '%s\n' % yn(self.metadata['mirrorscroll'][player]))
+                    outfile.write('Dark Rooms:'.ljust(line_width) + '%s\n' % self.metadata['dark_rooms'][player])
                     outfile.write('Hints:'.ljust(line_width) + '%s\n' % yn(self.metadata['hints'][player]))
                     outfile.write('Race:'.ljust(line_width) + '%s\n' % yn(self.world.settings.world_rep['meta']['race']))
             
diff --git a/CLI.py b/CLI.py
index 8fc7263e..07e499e0 100644
--- a/CLI.py
+++ b/CLI.py
@@ -139,7 +139,7 @@ def parse_cli(argv, no_defaults=False):
                          'triforce_max_difference', 'triforce_pool_min', 'triforce_pool_max', 'triforce_goal_min', 'triforce_goal_max',
                          'triforce_min_difference', 'triforce_goal', 'triforce_pool', 'shufflelinks', 'shuffletavern',
                          'skullwoods', 'linked_drops',
-                         'pseudoboots', 'mirrorscroll', 'retro', 'accessibility', 'hints', 'beemizer', 'experimental', 'dungeon_counters',
+                         'pseudoboots', 'mirrorscroll', "dark_rooms", 'retro', 'accessibility', 'hints', 'beemizer', 'experimental', 'dungeon_counters',
                          'shufflebosses', 'shuffleenemies', 'enemy_health', 'enemy_damage', 'shufflepots',
                          'ow_palettes', 'uw_palettes', 'sprite', 'disablemusic', 'quickswap', 'fastmenu', 'heartcolor',
                          'heartbeep', 'remote_items', 'shopsanity', 'dropshuffle', 'pottery', 'keydropshuffle',
@@ -210,6 +210,7 @@ def parse_settings():
         "take_any": "none",
         "pseudoboots": False,
         "mirrorscroll": False,
+        "dark_rooms": "require_lamp",
 
         "shuffleenemies": "none",
         "shufflebosses": "none",
diff --git a/ItemList.py b/ItemList.py
index 08be1d62..ec2be0e7 100644
--- a/ItemList.py
+++ b/ItemList.py
@@ -1081,7 +1081,10 @@ def get_pool_core(world, player, progressive, shuffle, difficulty, treasure_hunt
     else:
         pool.extend(basicgloves)
 
-    lamps_needed_for_dark_rooms = 1
+    if world.dark_rooms[player] in ['lamp_required']:
+        lamps_needed_for_dark_rooms = 1
+    else:
+        lamps_needed_for_dark_rooms = 0
 
     # old insanity shuffle didn't have fake LW/DW logic so this used to be conditional
     pool.extend(['Magic Mirror', 'Moon Pearl'])
@@ -1260,7 +1263,7 @@ def modify_pool_for_start_inventory(start_inventory, world, player):
                         d.big_key = None
 
 
-def make_custom_item_pool(world, player, progressive, shuffle, difficulty, timer, goal, mode, swords, bombbag, customitemarray):
+def make_custom_item_pool(world, player, progressive, shuffle, difficulty, timer, goal, mode, swords, bombbag, dark_rooms, customitemarray):
     pool = []
     placed_items = {}
     precollected_items = []
@@ -1299,7 +1302,10 @@ def make_custom_item_pool(world, player, progressive, shuffle, difficulty, timer
 
     diff = difficulties[difficulty]
 
-    lamps_needed_for_dark_rooms = 1
+    if world.dark_rooms[player] in ['lamp_required']:
+        lamps_needed_for_dark_rooms = 1
+    else:
+        lamps_needed_for_dark_rooms = 0
 
     # expert+ difficulties produce the same contents for
     # all bottles, since only one bottle is available
@@ -1505,7 +1511,12 @@ def make_customizer_pool(world, player):
             pool.remove('Fighter Sword')
             pool.append('Rupees (50)')
 
-    return pool, placed_items, precollected_items, clock_mode, 1
+    if world.dark_rooms[player] in ['lamp_required']:
+        lamps_needed_for_dark_rooms = 1
+    else:
+        lamps_needed_for_dark_rooms = 0
+
+    return pool, placed_items, precollected_items, clock_mode, lamps_needed_for_dark_rooms
 
 
 filler_items = {
diff --git a/Main.py b/Main.py
index 1928a654..f908e702 100644
--- a/Main.py
+++ b/Main.py
@@ -508,6 +508,7 @@ def init_world(args, fish):
     world.linked_drops = args.linked_drops.copy()
     world.pseudoboots = args.pseudoboots.copy()
     world.mirrorscroll = args.mirrorscroll.copy()
+    world.dark_rooms = args.dark_rooms.copy()
     world.overworld_map = args.overworld_map.copy()
     world.take_any = args.take_any.copy()
     world.restrict_boss_items = args.restrict_boss_items.copy()
@@ -603,6 +604,7 @@ def copy_world(world):
     ret.linked_drops = world.linked_drops.copy()
     ret.pseudoboots = world.pseudoboots.copy()
     ret.mirrorscroll = world.mirrorscroll.copy()
+    ret.dark_rooms = world.dark_rooms.copy()
     ret.overworld_map = world.overworld_map.copy()
     ret.take_any = world.take_any.copy()
     ret.boss_shuffle = world.boss_shuffle.copy()
@@ -823,6 +825,7 @@ def copy_world_premature(world, player):
     ret.linked_drops = world.linked_drops.copy()
     ret.pseudoboots = world.pseudoboots.copy()
     ret.mirrorscroll = world.mirrorscroll.copy()
+    ret.dark_rooms = world.dark_rooms.copy()
     ret.overworld_map = world.overworld_map.copy()
     ret.take_any = world.take_any.copy()
     ret.boss_shuffle = world.boss_shuffle.copy()
diff --git a/Rom.py b/Rom.py
index 03f8b3af..1542420f 100644
--- a/Rom.py
+++ b/Rom.py
@@ -43,7 +43,7 @@ from source.enemizer.Enemizer import write_enemy_shuffle_settings
 
 
 JAP10HASH = '03a63945398191337e896e5771f77173'
-RANDOMIZERBASEHASH = '80e0a4f8bd5cc6f83ac9f7f46c01bf4f'
+RANDOMIZERBASEHASH = '9cdc4e5b97fc03af357b4f35ea8802fd'
 
 
 class JsonRom(object):
@@ -956,7 +956,15 @@ def patch_rom(world, rom, player, team, is_mystery=False):
         rom.write_bytes(0x6D323, [0x00, 0x00, 0xe4, 0xff, 0x08, 0x0E])
 
     # set light cones
-    rom.write_byte(0x180038, 0x01 if world.sewer_light_cone[player] else 0x00)
+    if world.dark_rooms[player] == 'no_dark_rooms':
+        light_cone = 0x20
+    elif world.dark_rooms[player] == 'always_light_cone':
+        light_cone = 0x10
+    elif world.sewer_light_cone[player]:
+        light_cone = 0x01
+    else:
+        light_cone = 0x00
+    rom.write_byte(0x180038, light_cone)
 
     GREEN_TWENTY_RUPEES = 0x47
     TRIFORCE_PIECE = ItemFactory('Triforce Piece', player).code
diff --git a/Utils.py b/Utils.py
index b0f64517..6f1a38be 100644
--- a/Utils.py
+++ b/Utils.py
@@ -792,10 +792,10 @@ def hex_representer(dumper, data):
 
 
 if __name__ == '__main__':
-    # make_new_base2current()
+    print(make_new_base2current())
     # read_entrance_data(old_rom=sys.argv[1])
     # room_palette_data(old_rom=sys.argv[1])
     # extract_data_from_us_rom(sys.argv[1])
     # extract_data_from_jp_rom(sys.argv[1])
     # check_pots()
-    find_and_replace()
+    # find_and_replace()
diff --git a/data/base2current.bps b/data/base2current.bps
index db46c22a..0986c290 100644
Binary files a/data/base2current.bps and b/data/base2current.bps differ
diff --git a/resources/app/cli/args.json b/resources/app/cli/args.json
index 62159299..e58cb67b 100644
--- a/resources/app/cli/args.json
+++ b/resources/app/cli/args.json
@@ -558,6 +558,14 @@
     "action": "store_true",
     "type": "bool"
   },
+  "dark_rooms": {
+    "choices": [
+      "require_lamp",
+      "always_light_cone",
+      "no_dark_rooms",
+      "always_in_logic"
+    ]
+  },
   "calc_playthrough": {
     "action": "store_false",
     "type": "bool"
diff --git a/resources/app/cli/lang/en.json b/resources/app/cli/lang/en.json
index 2bf10795..2e39e4e4 100644
--- a/resources/app/cli/lang/en.json
+++ b/resources/app/cli/lang/en.json
@@ -395,6 +395,12 @@
     "collection_rate": [ "Display collection rate (default: %(default)s)" ],
     "pseudoboots": [ " Start with pseudo boots that allow dashing but no item checks (default: %(default)s)"],
     "mirrorscroll": [ " Players starts with mirror scroll that allows mirror in dungeons but not overworld (default: %(default)s"],
+    "dark_rooms": [ "Controls how dark rooms are treated in the game and logic:",
+      "RequireLamp:      Lamp is always required for dark rooms to be in logic",
+      "AlwaysLightCone:  Player gets a light cone even without the lamp, and dark rooms are always in logic",
+      "NoDarkRooms:      Dark rooms are changed to no longer be dark, and are always in logic",
+      "AlwaysInLogic:    Dark rooms are always considered to be in logic, even if the player cannot see"
+    ],
     "bombbag": ["Start with 0 bomb capacity. Two capacity upgrades (+10) are added to the pool (default: %(default)s)" ],
     "any_enemy_logic": [
       "How to handle potential traversal between dungeon in Crossed door shuffle",