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F9 Quick Load

Load the previous room instantly with the F9 key – even after death.
Perfect for practicing difficult rooms, testing strategies, or undoing costly mistakes.

⚠️ Note: This is a cheat mod. It simply triggers the game’s built-in rewind command, and therefore breaks the core roguelike principle of Isaac (permadeath and consequence). It’s intended for practice and experimentation, not for standard runs.

Press F9 at any time to return to the last room you visited.