diff --git a/src/open_samus_returns_rando/files/schema.json b/src/open_samus_returns_rando/files/schema.json
index db76e61..ac02e9f 100644
--- a/src/open_samus_returns_rando/files/schema.json
+++ b/src/open_samus_returns_rando/files/schema.json
@@ -261,6 +261,11 @@
             "minimum": 0,
             "default": 39
         },
+        "extra_dna": {
+            "description": "Extra Metroid DNA to place in the game.",
+            "type": "integer",
+            "default": 0
+        },
         "reveal_map_on_start": {
             "type": "boolean",
             "default": false,
diff --git a/src/open_samus_returns_rando/files/templates/custom_init.lua b/src/open_samus_returns_rando/files/templates/custom_init.lua
index cfe4067..ddfb5b0 100644
--- a/src/open_samus_returns_rando/files/templates/custom_init.lua
+++ b/src/open_samus_returns_rando/files/templates/custom_init.lua
@@ -35,6 +35,7 @@ Init.bEnableRoomIds = TEMPLATE("enable_room_ids")
 Init.sBabyMetroidHint = TEMPLATE("baby_metroid_hint")
 Init.bTanksRefillAmmo = TEMPLATE("tanks_refill_ammo")
 Init.iRequiredDNA = TEMPLATE("required_dna")
+Init.iExtraDNA = TEMPLATE("extra_dna")
 
 local orig_log = Game.LogWarn
 if TEMPLATE("enable_remote_lua") then
diff --git a/src/open_samus_returns_rando/files/templates/randomizerpowerup.lua b/src/open_samus_returns_rando/files/templates/randomizerpowerup.lua
index eecd9e5..c014887 100644
--- a/src/open_samus_returns_rando/files/templates/randomizerpowerup.lua
+++ b/src/open_samus_returns_rando/files/templates/randomizerpowerup.lua
@@ -195,7 +195,7 @@ function RandomizerPowerup.IncreaseAmmo(resource)
 end
 
 function RandomizerPowerup.ObjectiveComplete()
-    if RandomizerPowerup.GetItemAmount("ITEM_ADN") == 39 then
+    if RandomizerPowerup.GetItemAmount("ITEM_ADN") == (39 + Init.iExtraDNA) then
         Blackboard.SetProp("GAME", "OBJECTIVE_COMPLETE", "b", true)
         Game.HUDIdleScreenLeave()
         local baby = RandomizerPowerup.GetItemAmount("ITEM_BABY_HATCHLING")
diff --git a/src/open_samus_returns_rando/lua_editor.py b/src/open_samus_returns_rando/lua_editor.py
index cbfa684..b432f81 100644
--- a/src/open_samus_returns_rando/lua_editor.py
+++ b/src/open_samus_returns_rando/lua_editor.py
@@ -276,7 +276,8 @@ def chunks(array: list[str], n: int) -> Iterable[list[str]]:
             "enable_remote_lua": enable_remote_lua,
             "baby_metroid_hint": baby_metroid_hint,
             "tanks_refill_ammo": game_patches["tanks_refill_ammo"],
-            "required_dna": configuration["required_dna"]
+            "required_dna": configuration["required_dna"],
+            "extra_dna": configuration["extra_dna"]
         }
 
         return lua_util.replace_lua_template("custom_init.lua", replacement)