diff --git a/bot_loader/game_starter.py b/bot_loader/game_starter.py
index ed881f4b..02da02c6 100644
--- a/bot_loader/game_starter.py
+++ b/bot_loader/game_starter.py
@@ -131,6 +131,11 @@ def play(self):
             "--requirewin", help="Requires victory for the specified player number (1 or 2) or raise exception."
         )
 
+
+        parser.add_argument(
+            "--ladderversion", help="Uses v4.10 as on the ladder. Ensure you have v4.10 and run the download script.", action=argparse.BooleanOptionalAction, default=False
+        )
+
         args = parser.parse_args()
 
         player1: str = args.player1
@@ -190,12 +195,18 @@ def play(self):
         else:
             LoggingUtility.set_logger(log_level=self.config["general"]["log_level"])
 
+        sc2_version = None
+        if(args.ladderversion):
+            sc2_version = "4.10"
+
         GameStarter.setup_bot(player1_bot, player1, player2, args)
         GameStarter.setup_bot(player2_bot, player2, player1, args)
 
         print(f"Starting game in {map_name}.")
         print(f"{player1} vs {player2}")
 
+
+
         runner = MatchRunner()
         result = runner.run_game(
             maps.get(map_name),
@@ -205,6 +216,7 @@ def play(self):
             game_time_limit=(30 * 60),
             save_replay_as=f"{folder}/{file_name}.SC2Replay",
             start_port=args.port,
+            sc2_version=sc2_version
         )
 
         if args.requirewin:
diff --git a/bot_loader/killable_process.py b/bot_loader/killable_process.py
index d2cf1f83..cf0fa249 100644
--- a/bot_loader/killable_process.py
+++ b/bot_loader/killable_process.py
@@ -3,7 +3,7 @@
 import time
 
 from typing import Any
-from sc2.sc2process import kill_switch
+from sc2.sc2process import KillSwitch
 
 """
 Process that is automatically killed by sc2.
@@ -15,7 +15,7 @@ def __init__(self, process: Any, tmp_dir: str = None) -> None:
         self._tmp_dir = tmp_dir
         self._process: Any = process
         super().__init__()
-        kill_switch.add(self)
+        KillSwitch.add(self)
 
     def _clean(self) -> None:
         """
diff --git a/sharpy/managers/core/unit_value.py b/sharpy/managers/core/unit_value.py
index e3201928..65b19ecb 100644
--- a/sharpy/managers/core/unit_value.py
+++ b/sharpy/managers/core/unit_value.py
@@ -1,5 +1,5 @@
 import logging
-from typing import Union, Optional, List, Callable
+from typing import Union, Optional, Dict, List, Callable
 
 from sc2.data import Race, race_townhalls
 from sharpy.general.unit_feature import UnitFeature