Undertale Last Breath Phase 1
About Undertale Last Breath Phase 1
Undertale Last Breath Phase 1 is a challenging pixel arcade battle developed by FT Studio, set in motion when Frisk loses his mind and keeps replaying Undertale's bad ending on loop. Only Sans, aided by Gaster, stands any chance of breaking the cycle. This is the first phase of one of Sans's toughest fights — a 2D obstacle and dodge-based skill game that puts relentless pressure on your reflexes from the first second.
How to Play Undertale Last Breath Phase 1
The goal is to survive Sans's bone attacks and defeat him. Two practice options ease newcomers in: easy mode strips out karma, and single-attack mode isolates individual attacks for focused practice.
Controls
PC
- Arrow keys: Move your soul
- Enter / Z: Select action
- Shift / X: Reject action
Mobile
- Swipe: Move your soul in the swiped direction
- A button: Select action
- B button: Reject action
Games You Might Like
More of Sans's world awaits in the full Undertale Games series, where other phases and battles from the same universe keep the dodge-and-survive challenge going. For broader reflex-heavy experiences, the Skill games catalog is packed with obstacle and agility tests that match this game's demanding pace. Arcade games offer quick-session pixel action with similar pick-up-and-play energy, while Monster games bring the enemy-facing tension you get from squaring off against Sans.
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