You cannot earn a P-Rank or any other rank while cheats are active.
Once the menu is open, you can toggle several game-breaking abilities: Noclip [V]: Fly through walls and floors without collision. ultrakill cheat menu
↑ ↑ ↓ ↓ ← → ← → B A (using your arrow keys and the letters B and A). You cannot earn a P-Rank or any other
Your Cyber Grind scores will not be uploaded to global leaderboards. ultrakill cheat menu
Right-clicking with this arm opens a menu to spawn any enemy, boss, or item (like Soap or Skulls) directly into the level. Consequences of Using Cheats
Become immune to all incoming damage (though bottomless pits will still reset your position).
prefs set int difficulty (number) : Manually sets the level's difficulty.