Gotham Knights is notoriously CPU-intensive. If your game is stuttering or crashing during fast movement:
While the game is designed for DX12, some users find stability by adding -dx11 to the Launch Options in Steam. 6. Adjust Power Management Gotham Knight Error & Crashes Fix
Corrupted data during installation or an update can cause the game to hang. Gotham Knights is notoriously CPU-intensive
Right-click Gotham Knights > Properties > Installed Files > Verify integrity of game files . Gotham Knight Error & Crashes Fix