While Undertale's Waterfall area puzzles are not particularly tough, the piano puzzle is often a surprising roadblock.

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.