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Desktop Client

Download Colossal Arena

The full game, installed. Your account, your progress and everything you own come with you - and solo runs, the tutorials, the Practice Arena and the Mastery Trials keep working with no connection at all.

Windows only for now. macOS and Linux builds are not available yet - on those machines the full game runs in the browser.
Windows Installer
Windows 10 or 11 · 64-bit
Checking…
Finding the latest build…

Installing

1Run the installer

Open the file your browser saved. It installs to your user account - no administrator password needed.

2Windows will ask first

You will see “Windows protected your PC”. Choose More info → Run anyway. The build is not code-signed yet; a certificate is on the way.

3Sign in

The same account you use in the browser. Your classes, gold, gear and purchases are already there.

What the app adds

Plays offline

Solo runs, both tutorials, the Practice Arena and the Mastery Trials all run on your own machine. No connection required.

Updates itself

New builds download quietly in the background, and it never restarts itself in the middle of a run.

Built for the game

No browser zoom, no context menu stealing your right-click, and every asset already on disk.

What you need

Operating system
Windows 10 or 11, 64-bit
Memory
4 GB RAM
Graphics
Any GPU with WebGL 2 support
Storage
About 1 GB free
Network
Broadband for multiplayer
Account
Free - the same one the browser uses

Nothing here costs anything to install. The full game is a one-time purchase inside it, and it is the same purchase as in the browser.
Play in your browser instead
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