This is the million-dollar question. Because Crab Game runs on peer-to-peer (P2P) connections rather than dedicated servers for many game modes, the risk of a VAC (Valve Anti-Cheat) ban is non-existent—Valve does not police Crab Game .
The menu is typically accessed by pressing a specific key (often Insert or Shift+F1 ) to bring up the ImGui overlay. Safety and Risks Crab Game Mod Menu v2.11