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The Secret ACT Button Glitch That Breaks Undertale
Something strange is trending in Undertale speedruns again. Players rediscover quirks that reshape classic routes. This glitch gains attention through clips and forum posts.
The Secret ACT Button Glitch That Breaks Undertale is hidden menu code that skips encounters, breaking intended outcomes. Sometimes labeled a debugging leftover or soft lock, it forces the game into an unrecoverable state. Studies indicate timing and specific controller input trigger the bug.
Exploiting the bug changes your run path instantly. Hold ACT at the right moment during a battle phase. This disrupts encounter logic and corrupts save structures. Research shows certain frame windows make the trick reliable.
One simple hold can ruin a standard playthrough forever.
How can players trigger this glitch?
Perform ACT during precise enemy animations. Success depends on frame perfect timing on most platforms.
What happens after the game breaks?
Loads may freeze, crash, or show corrupted text. Reset usually required before continuing.
