Is Undertale playable on Steam Deck?
Steam Deck verdict
Runs great
Yes — Undertale runs great on the Steam Deck.
Undertale runs great on the Steam Deck. Valve rates it Playable on the Steam Deck. The Linux/Proton community rates it Platinum on ProtonDB across 110 reports. As a indie game with full controller support, it's a comfortable fit for handheld play.
Game info
- Genres
- Indie, RPG
- Developer
- tobyfox
- Publisher
- tobyfox
- Release
- September 15, 2015
- Price
- $2.49
- Metacritic
- 92
System requirements
Windows specs from Steam — the Deck runs these through Proton.
- OS *: Windows XP, Vista, 7, 8, or 10
- Memory: 2 GB RAM
- Graphics: 128MB
- Storage: 200 MB available space
- OS *: Windows XP, Vista, 7, or 10
- Processor: 2GHz+
- Memory: 3 GB RAM
- Graphics: 512MB
- Storage: 200 MB available space
Is Undertale compatible with Steam Deck?
Does it run?
- Valve rating
- Playable
Community rating · 110 reports (ProtonDB)
Does it run well?
Runs well with the default settings.
- ✓Controller glyphs don't match the Deck
- ✓Full controller support out of the box
- ✓Interface text is legible
- ✓Good performance with default settings
- ✓No cross-platform cloud saves
Undertale performance & FPS on Steam Deck
We don't have enough Steam Deck framerate reports for Undertale yet. Runs well with the default settings.
Battery & recommended settings
Estimated battery life
- Recommended preset
- default
- Typical power draw
- ~7 W
💡 SteamDeckPlayable tip: System Proton version 7.0-5 Steamos version 3.4
Tips for playing Undertale on Steam Deck
- •Button prompts may show Xbox or PlayStation icons instead of Steam Deck glyphs.
- •Default settings already run well — no major tweaks needed to play comfortably.
Frequently asked questions
›Is Undertale playable on Steam Deck?
Undertale <strong>runs great</strong> on the Steam Deck. Valve rates it <strong>Playable</strong> on the Steam Deck. The Linux/Proton community rates it <strong>Platinum</strong> on ProtonDB across 110 reports.
›Is Undertale Steam Deck Verified?
Not Verified, but Valve rates Undertale as Playable on the Steam Deck.
›How many FPS does Undertale get on Steam Deck?
We don't publish a single FPS figure — framerate depends on your settings, the scene and your TDP limit. Valve reports good performance with the default settings.
›How long does the battery last playing Undertale on Steam Deck?
Steam Deck players report roughly 6h 51m at 30 fps on Undertale (from ShareDeck community reports). Capping the framerate and TDP lower stretches it further; higher brightness shortens it.
›Can you play Undertale on Steam Deck?
Yes. Undertale runs on the Steam Deck straight from Steam — no manual Proton setup or config files needed.
›Can the Steam Deck run Undertale?
Yes — Valve reports that Undertale performs well on the Steam Deck with its default settings.
Similar indie games on Steam Deck
Community configurations
Found a setup that works great for Undertale on Steam Deck? Share it and help the community grow.