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Can You Beat Undertale Using ONLY File 0? hooks players chasing old save tricks. This glitch challenge tests limits of the classic RPG with no new files.
What File 0 Means in Undertale
Can You Beat Undertale Using ONLY File 0? is a minimal run using just the first save slot. Studies indicate this route removes common resets and item check advantages.
How the Glitch Works
Certain actions corrupt slot ID paths, forcing the game into a lean battle state. Research shows menu timing triggers bypass standard mercy and item restrictions.
Speed and precise choices matter most here. One choice can lock routes or skip story beats entirely.
Simple Takeaway
Sharp input timing and menu paths let you finish using only that original slot.
Can File 0 Routes Change Your Ending?
Yes, route choice still affects scenes, but no items or resets help.
Does This Work for Everyone?
Results vary by version; some builds handle the trick more reliably.
