PC requirements

Return to Mysterious Island System Requirements

Return to Mysterious Island needs at least 1.8 GHz, 512 MB RAM and 3D graphics card compatible with DirectX 7 (compatible with DirectX 9 recommended) graphics.

Verified Sources: Steam store listing
Return to Mysterious Island minimum and recommended PC specifications
Component Minimum
Operating system Windows XP, Vista, 7, 8
Processor 1.8 GHz
Memory 512 MB RAM
Graphics 3D graphics card compatible with DirectX 7 (compatible with DirectX 9 recommended)
DirectX Version 7.1
Storage 2 GB available space
Additional notes 64-bit processors are not supported
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.

Other platforms

Return to Mysterious Island is also available on these systems, where hardware is fixed and no per-PC check is needed:

Quick answers

Running Return to Mysterious Island on PC

Can my PC run Return to Mysterious Island?
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 Return to Mysterious Island need?
2 GB available space