Undertale Timeline Reset codes give players free resources when redeemed. This game takes inspiration from the classic Undertale Multiverse Battles and Undertale Multiverse Battles Remastered.

Roblox Undertale Crazy Multiverse Timeline is an anime-inspired fighting game that allows players to take on various enemies in a series of battles.

A new Undertale fan game, called Undertale Blue, has been announced by a team of indie devs following the success of the Yellow fan game.