PC requirements

Sublevel Zero: Redux System Requirements

Sublevel Zero: Redux needs at least 2.5 GHz Dual Core Processor, 2 GB RAM and Shader Model 3 compliant graphics cards (GeForce GT 520/Radeon HD 3850 and above) graphics.

Verified Sources: Steam store listing
Sublevel Zero: Redux minimum and recommended PC specifications
Component Minimum
Operating system Win XP / Win 7 / Win 8 / Win 10
Processor 2.5 GHz Dual Core Processor
Memory 2 GB RAM
Graphics Shader Model 3 compliant graphics cards (GeForce GT 520/Radeon HD 3850 and above)
DirectX Version 9.0c
Storage 800 MB available space
Additional notes DirectX 9.0c compatible.
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

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

Quick answers

Running Sublevel Zero: Redux on PC

Can my PC run Sublevel Zero: Redux?
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 Sublevel Zero: Redux need?
800 MB available space