Play in Fullscreen Mode

About This Game

Undertale – Last Breath is a fan-made game inspired by the popular indie game Undertale. It presents an alternate storyline and battle scenario against Sans, one of the original game’s most challenging bosses. In this game, the plot revolves around Sans teaming up with W.D. Gaster to prevent further genocides after experiencing numerous resets. The game features a more intense version of the infamous Genocide Route, offering a new experience for fans of the Undertale series.

The game is divided into three distinct stages. In the first stage, players face Sans in a battle reminiscent of the original Undertale. If players choose to attack, they move on to the second stage, where Sans, although injured, receives unexpected support from Gaster. The third stage is the most difficult, where players must overcome both Sans and Gaster’s combined forces in a dramatic and challenging final showdown​.

Undertale – Last Breath is known for its challenging gameplay, vibrant graphics, and engaging music, making it a must-play for fans of Undertale and those seeking a tough gaming challenge. The game is available on platforms like Game Jolt and Bad Time Simulator, providing players with various ways to experience this unique take on the Undertale universe​.