ProtoStone
ProtoStone is a card game with local split-screen multiplayer (Offline), 4 different classes and over 150 different cards to collect.
1 April 2021
ProtoStone is a sport, released 1 April 2021 on PC (Microsoft Windows).
What ProtoStone is
ProtoStone was released in 2021. It is available on PC (Microsoft Windows) only.
How it plays
It is a single-player game with no multiplayer component. Available modes: Co-operative, Multiplayer and Single player.
What it launched against
ProtoStone launched on 1 April 2021, within three weeks of It Takes Two, Disco Elysium: Final Cut, Disco Elysium: The Final Cut and Monster Hunter Rise.
Released around the same time: It Takes Two, Disco Elysium: Final Cut, Disco Elysium: The Final Cut, Monster Hunter Rise.
Screenshots
All media
Quick answers
ProtoStone — frequently asked questions
When did ProtoStone come out?
ProtoStone was released on 1 April 2021 for PC (Microsoft Windows).
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