Undertale game cover

Narrative

Celebrated classic

Narrative

Undertale

The indie RPG where mercy is a weapon, choices are remembered, and every monster has a story.

Featured classicPC & consolesAcclaimedVia official store

About Undertale

Undertale is Toby Fox's 2015 indie phenomenon, an RPG that flips genre conventions on their head with humor, heart, and a revolutionary twist: you do not have to fight. You fall into the Underground, a world of monsters sealed beneath the mountain, and your choices determine everything — spare enemies, befriend them, or fight them, and the story changes accordingly. The bullet-hell combat is charming, the soundtrack is one of the most beloved in gaming, and the characters (Sans, Papyrus, Toriel, and more) are unforgettable. What makes Undertale special is that it remembers: the game tracks your actions, breaks the fourth wall, and reacts to you in ways that feel personal. There are multiple endings depending on how you play, including a pacifist route that is considered one of gaming's greatest emotional payoffs. It is a game best experienced unspoiled.

Game details

CTRLControls
Open the official page, wait for the host to load, then follow the controls and prompts shown inside the game.
DEVSupported devices
Desktop, mobile, and tablet browsers where the destination page supports play.
CATCategory
Narrative
SRCSource
Steam.
LINKAccess
Official store page.
UPDUpdated
Link verified in 2026.

How to play

Click Open Official Site, let the external game host load in a new tab, then follow the controls shown there. If the host is slow, return to ShouyouRadar and try another game from the same category.

Undertale FAQ

Is Undertale free?

No — it is a paid indie game on Steam, consoles, and Switch.

Do I have to fight monsters?

No — the game is famous for letting you spare every enemy, with a pacifist route that unlocks the true ending.

How long is Undertale?

A single playthrough takes 6 to 10 hours, and multiple endings reward replaying with different choices.

Is Undertale suitable for children?

It has some dark themes and humor but is generally family friendly; the gameplay is non-violent if you choose.

What is the Deltarune connection?

Deltarune is a related game by the same creator, set in a different world with a similar style.