Undertale

You guide a human who has fallen into an underground world of monsters and must find a way out. Along the way, you meet its inhabitants through conversations, encounters, and story events.

Battles combine timed attacks with dodging enemy patterns in a bullet-hell-style sequence. You can attack, use items, or choose actions that help resolve encounters without killing your opponent.

Your choices shape how encounters unfold and affect the story’s different routes and endings. The game also responds to player decisions across repeated playthroughs, giving choices consequences beyond a single battle.

Players often praise Undertale’s memorable story, humorous dialogue, distinctive soundtrack, and characters they grow attached to. Reviews also highlight how choices and consequences make encounters feel personal, alongside enjoyment of the unusual battle system. Some players criticize the lack of language support, while a smaller number mention simple visuals or awkward controls.