HEADQUARTERS is a satirical arcade run-and-gun from Rhino Studio. This free first playable build contains six chapters, four starting founders, local co-op, vehicles, boss fights and a fifth founder unlocked by finishing the campaign.

Choose your file:

- **Mac:** `HEADQUARTERS-v0.5-macOS.zip` — universal Apple silicon + Intel app. Unzip, move to Applications, open. Ad-hoc signed; not notarized. macOS may require first-open approval in System Settings → Privacy & Security. [Apple’s instructions](https://support.apple.com/en-gb/102445).
- **Windows:** `HEADQUARTERS-v0.5-Windows.zip` — extract all, then open `HEADQUARTERS/HEADQUARTERS.exe`. 64-bit Windows. No installer or game engine needed. Unsigned; Windows may display a security prompt.

[Play immediately in a browser](https://headquarters-rhino.vercel.app) · [Visit Rhino Studio](https://rhino-studio.vercel.app/games/headquarters)

Mac v0.5.0 is the previously tested native build. The refreshed Windows v0.5.0 package passed 55 exported-data gameplay checks on macOS; the Windows executable has not yet been run on Windows hardware. This is a development build, not a finished store release.

Direct downloads:

https://ckrchadrximasgeg.public.blob.vercel-storage.com/releases/headquarters-v0.5.0/HEADQUARTERS-v0.5-macOS.zip?download=1
https://ckrchadrximasgeg.public.blob.vercel-storage.com/releases/headquarters-v0.5.0/HEADQUARTERS-v0.5-Windows.zip?download=1

Checksums: https://rhino-studio.vercel.app/SHA256SUMS.txt