The built-in mod browser only supports "Base" mods (JSON edits) and "Avatar" mods (models). It does natively support Code Mods (files ending in .dll for PCVR or native ARM code for Quest). These mods can completely change the game logic—adding new NPC behaviors, creating entire game modes (like zombies or deathmatch), or spawning complex vehicles. You can only install these via sideloading.
Use a scoped-storage compliant file manager app like or manage files externally via a PC link. Game crashes on load Corrupted mod file or version mismatch. bonelab sideload
For PC, mods fall into two categories. (maps/avatars) require no extra tools, while Code Mods (DLL mods like Fusion multiplayer) require MelonLoader. The built-in mod browser only supports "Base" mods
Ensure mods are compatible with your current game version (e.g., ). Outdated mods may crash the game. Code Mods: Advanced mods like Multiplayer (Fusion) require additional tools like LemonLoader MelonLoader , which involve "patching" the game APK. Privacy & Safety: You can only install these via sideloading
Whether you are fighting waves of Nullbodies as Spider-Man on your Quest 3, riding a drivable Warthog on your Valve Index, or playing co-op via the "Labyrinth" code mod, you cannot get there with the default in-game browser.
Quest 2/Internal shared storage/Android/data/com.StressLevelZero.BONELAB/files/Mods Extract and Drop: Unzip the mod folder and move it directly into that ⚡ 3. In-Game Modding (Recommended)