While playing, press the key to return to the main menu.
During a massive blowout, you will still perish unless you take cover in a designated shelter (which is marked with a radiation symbol on your PDA and minimap).
Get stuck? Want to skip the first zone? Use these:
A massive developer menu will appear. From here, you can toggle invulnerability, spawn any weapon, spawn infinite ammo, and instantly teleport across the map. Method 2: Editing the actor.ltx File (Permanent God Mode)
