diff --git a/lmm/cli.py b/lmm/cli.py
index a7be6a4..ba1d0fd 100644
--- a/lmm/cli.py
+++ b/lmm/cli.py
@@ -75,9 +75,17 @@ def launch(game: str, profile: str):
         runner.run(game)
         game.wait()
 
-    # Unmount
-    for mount in mounts:
-        mount.unmount()
+    # Unmount (with retries)
+    failed = False
+    for retry in range(5):
+        failed = any(not mount.unmount() for mount in mounts)
+        if not failed:
+            break
+
+        print(f"Unmounting failed ({retry +1 }/5). Waiting 3s...")
+        time.sleep(3)
+    if failed:
+        print("Unmounting failed!")
 
 
 @cli.command()
diff --git a/lmm/games/config.py b/lmm/games/config.py
index 8d6b8b5..0171e13 100644
--- a/lmm/games/config.py
+++ b/lmm/games/config.py
@@ -15,6 +15,10 @@ from lmm.games.ron import (
     GAME_NAME as RON,
     ReadyOrNotGame,
 )
+from lmm.games.lc import (
+    GAME_NAME as LC,
+    LethalCompanyGame,
+)
 
 import yaml
 
@@ -34,6 +38,8 @@ def load_game_configs() -> list[Game]:
             BG3: BaldursGate3Game,
             PDMM: ProjectDivaMegaMixGame,
             RON: ReadyOrNotGame,
+            LC: LethalCompanyGame,
+
         }.get(item, None)
         if game_cls is None:
             print(f"Unknown game {item}")
diff --git a/lmm/games/lc.py b/lmm/games/lc.py
new file mode 100644
index 0000000..9f81c93
--- /dev/null
+++ b/lmm/games/lc.py
@@ -0,0 +1,93 @@
+from pathlib import Path
+from typing import Any
+
+from lmm.games.game import ProtonGame
+from lmm.profile import Profile
+from lmm.overlayfs import OverlayFSMount
+from lmm.const import LMM_GAMES_PATH
+from lmm.runners.base import runner_from_config
+
+GAME_NAME = "LethalCompany"
+
+
+class LethalCompanyProfile(Profile):
+    # The names of the directories the the mods directory.
+    mods: list[str]
+
+    def __init__(self, name: str, mods: list[str], **kwargs):
+        super().__init__(GAME_NAME, name, **kwargs)
+
+        self.mods = mods
+
+    def get_mod_names(self) -> list[str]:
+        return self.mods
+
+
+class LethalCompanyGame(ProtonGame):
+    def __init__(self, profiles: list[LethalCompanyProfile], **kwargs):
+        super().__init__(GAME_NAME, "1966720", profiles, **kwargs)
+
+    @property
+    def installation_path(self) -> Path:
+        return (
+            self.steam_library
+            / "steamapps/common/Lethal Company"
+        )
+
+    @property
+    def game_executable(self) -> Path:
+        return self.installation_path / "Lethal Company.exe"
+
+    def prepare_overlays(
+        self, profile: LethalCompanyProfile
+    ) -> list[OverlayFSMount]:
+        return [
+            OverlayFSMount(
+                upper=self.installation_path,
+                lower=profile.mods,
+                mount=self.installation_path,
+                cd=LMM_GAMES_PATH / self.name,
+            ),
+        ]
+
+    def to_dict(self) -> dict[str, Any]:
+        return {
+            "profiles": [
+                {
+                    "name": profile.name,
+                    "mods": [
+                        {
+                            "name": mod,
+                        }
+                        for mod in profile.mods
+                    ],
+                }
+                for profile in self.profiles
+            ]
+        }
+
+    @classmethod
+    def from_dict(cls, data: dict[str, Any]) -> "LethalCompanyGame":
+        profiles = []
+        for profile in data["profiles"]:
+            mods = [mod["name"] for mod in profile["mods"]]
+
+            if "runner" in profile:
+                runner = runner_from_config(profile["runner"])
+            else:
+                runner = None
+
+            profiles.append(
+                LethalCompanyProfile(
+                    profile["name"],
+                    mods,
+                    runner=runner,
+                ),
+            )
+
+        if "default_runner" in data:
+            default_runner = runner_from_config(data["default_runner"])
+        else:
+            default_runner = None
+
+        return LethalCompanyGame(profiles, default_runner=default_runner)