How to Play Ostranauts on Mac in One Click (Apple Silicon) · Pixel Port
Pixel PortRun Windows Steam games on Apple Silicon Macs
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OstranautsOstranauts cover art
Playable on Mac

How to play Ostranauts on Mac

Ostranauts is graded playable on Apple Silicon through Pixel Port's runtime.

Download & play Ostranauts

What you need

  • Ostranauts, owned on your own Steam account
  • Apple Silicon (M1 or newer)
  • macOS 14+

From Windows game to Mac launch

  1. 01

    Install Pixel Port

    Download Pixel Port and let it set up the runtime on first launch.

  2. 02

    Add Ostranauts

    Sign in to your Steam account and click Install & Play. Steam downloads the Windows build you already own, and Pixel Port configures it for your Mac automatically.

  3. 03

    Play

    Launch it from your Library. No bottles, no winetricks, no terminal.

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Common questions

Does Ostranauts run on Mac?
Ostranauts is graded playable on Apple Silicon through Pixel Port's runtime. Its current grade is playable for Apple Silicon Macs. Ostranauts is built on Unity, and Pixel Port's runtime translates its rendering to Metal automatically.
Do I need to own Ostranauts on Steam?
Yes. Pixel Port does not sell, host, or distribute games. Ostranauts downloads through Steam, to your own Steam account, exactly as it would on a PC — you need to own it there first. Pixel Port is the compatibility layer that runs the Windows build Steam delivers.
Do I need Windows, Boot Camp, or a VM to play Ostranauts on Mac?
No. Pixel Port runs the Windows build of Ostranauts directly on macOS — no Boot Camp partition, no virtual machine, and no Windows license.
Which Macs can run Ostranauts?
Any Apple Silicon Mac — M1 through M4, MacBook Air to Mac Studio — on macOS 14 or later.