Most used options
| Option | Purpose |
|---|---|
-dx11 | Stability fix for black screens / crashes |
-dx12 | Try on modern GPUs if DX11 has issues |
-windowed | Easier alt-tab for guides |
-ResX=1280 -ResY=720 | Performance on weak hardware |
How to apply
Steam → Library → Meccha Chameleon → Properties → Launch Options → paste one line.
Do not use
Random copied flags from other UE5 games unless you test one at a time. Too many flags can worsen crashes.