god mode

noun3

1. •
   A game mode where the player character is invulnerable to damage, typically activated by entering a cheat code.

   • Turns what Id calls "GOD mode" on and off. Basically it just means that you're invincible. — 1992
2. •
   A mode of play in (mostly) roguelike games, allowing the player to create objects on demand, to be resurrected in the case of death, etc.

   • The difference is that wizard mode is a SUBSET of god mode. For example, both wizard and god mode let you "teleport", but only GOD mode allows you to "allocate treasures" or "create object". — 1989
3. •
   (slang) A temporary state of extreme skill (in a sport, video game, etc.).

   • She went god mode and effortlessly defeated her opponents, leaving them in awe of her superhuman skills.