PC requirements

Undertale System Requirements

Undertale needs at least 2 GB RAM and 128MB graphics. For the recommended experience you want 2GHz+, 3 GB RAM and 512MB graphics.

Verified Sources: Steam store listing
Undertale minimum and recommended PC specifications
Component Minimum Recommended
Operating system Windows XP, Vista, 7, 8, or 10 Windows XP, Vista, 7, or 10
Processor — 2GHz+
Memory 2 GB RAM 3 GB RAM
Graphics 128MB 512MB
Storage 200 MB available space 200 MB available space
Not sure how your PC compares? Use the Can I Run It checker — pick your CPU and GPU and it tells you which column you land in.
Playing on a handheld instead? Players report Undertale as Platinum on Steam Deck and Linux.

Other platforms

Undertale is also available on these systems, where hardware is fixed and no per-PC check is needed:

Quick answers

Running Undertale on PC

Can my PC run Undertale?
Compare your CPU, GPU and RAM against the minimum column below. If your parts match or beat every minimum row, the game will launch — though you may need to lower settings. Matching the recommended column is what gets you 60fps at 1080p.
How much storage does Undertale need?
200 MB available space
What is the difference between minimum and recommended specs?
Minimum means the game starts and is playable, usually at 30fps on low settings at 1080p. Recommended is the developer's target for a smooth 60fps experience at high settings.