Does Undertale run on Steam Deck?
Undertale is rated Playable on Steam Deck. It runs, but Valve flags some rough edges — you may need the touchscreen, a community controller layout, or tweaked settings.
Valve's test notes
- Controller Glyphs Do Not Match Deck Device — fail
- Default Controller Config Fully Functional — pass
- Interface Text Is Legible — pass
- Default Configuration Is Performant — pass
- Cross Platform Cloud Saves Not Supported — info
PC (Windows) system requirements
Minimum
Minimum: OS *: Windows XP, Vista, 7, 8, or 10 Memory: 2 GB RAM Graphics: 128MB Storage: 200 MB available space
Recommended
Recommended: OS *: Windows XP, Vista, 7, or 10 Processor: 2GHz+ Memory: 3 GB RAM Graphics: 512MB Storage: 200 MB available space
Use the free interactive checker to compare these against your hardware automatically. Visit https://fundelot.com.