Massively Single-player Online

Classic Games. Modern Competition.

Single-player games with online leaderboards, replays, and fair competition.

Deal #44
“It's been amazing playing against someone live. It gives you that extra rush when you're playing against a real person—pure dopamine!”
VulcanoLord, the first player to beat the dev
The MSO card mascot celebrating on the podium of a torchlit arena
Now on Steam

Wishlist MSO FreeCell Arena on Steam

Coming Q4 2026 — and the Playtest is open right now. Wishlist to get notified at launch, or jump into the open beta today.

Get notified at launch

Launch news + early-access updates. No spam — unsubscribe anytime.

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What Makes It Different

Available On

Windows

MSO FreeCell Arena + MSO Minesweeper Arena

macOS

MSO FreeCell Arena + MSO Minesweeper Arena

Linux

MSO FreeCell Arena + MSO Minesweeper Arena

Android

MSO FreeCell Arena on Google Play

iOS

MSO FreeCell Arena via TestFlight beta

Steam

MSO FreeCell Arena

Coming Q4 2026 — wishlist & playtest now open

Help shape the game

MSO Games is in open beta and we'd love your help stress-testing — especially the multiplayer side. The community lives on Discord; it's small right now, which means you'll get the dev's actual attention.

Join the beta community on Discord

Start Playing

Create a free account to save your stats and compete on the leaderboards.