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For the smoothest experience, install via the Itch.io app on a desktop device.

Itch.io App

Install and update automatically with the Itch app.

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Itch.io Downloads

Download directly from itch.io and browse all available versions.

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Recommended System Requirements

PERFORMANCE

Target: ~30fps at 1080p

PROCESSOR:

Modern multi-core processor

MEMORY:

8 GB RAM

GRAPHICS:

2GB VRAM, DirectX 11

STORAGE:

4 GB available space

NORMAL

Target: 60fps at 1080p

PROCESSOR:

Modern multi-core processor

MEMORY:

8 GB RAM

GRAPHICS:

4GB VRAM, DirectX 12

STORAGE:

4 GB available space

FIDELITY

Target: 60fps at 1080p

PROCESSOR:

Modern multi-core processor

MEMORY:

16 GB RAM

GRAPHICS:

8GB VRAM, DirectX 12, RTX 2060 or better

STORAGE:

4 GB available space

Need help getting started?

Install with confidence

The Itch.io app keeps MoSim up to date automatically and verifies your installs.

Modding documentation

Learn how to add mod packs and manage your files in the built-in modding guide.

View Modding Guide

Get support

Join the Discord to ask questions, report issues, or share feedback with the team.