For users facing “could not initialize steamworks api” in any game, including OneShot , the following systematic approach resolves >95% of cases:
| Cause | Likelihood | |-------|-------------| | Steam client isn’t running | High | | Corrupt Steamworks API .dll files | High | | Anti-cheat interference (EAC/BattlEye) | Medium | | Outdated mods (BepInEx, HookGenPatcher) | Very High | | Multiple Steam instances or library conflicts | Low | could not initialize steamworks api oneshot top
Click in the top-left corner of the client and select Exit . For users facing “could not initialize steamworks api”