Undertale Yellow

Undertale Yellow is an Undertale fangame focusing on the second-to-last fallen human, Clover, the soul of JUSTICE. Originally a demo released in 2016-2017, it was under development for 7–8 years before being released in December 2023.

The game follows Clover as they go down Mt. Ebott to look for the fallen humans before them. The game at first follows most of the plot of Undertale with Clover solving puzzles made by Toriel. They eventually fall down deeper and end up in a different version of the Ruins before heading to Snowdin, then the original areas in the game Wild East, the Steamworks before ending up back in areas from Undertale in New Home.

Much of the gameplay is similar to Undertale's, with the major exception that fighting now requires you time a shot from your gun with a circle slowly shrinking instead of a bar moving left to right.