ProtoStone is a card game with local split-screen multiplayer (Offline), 4 different classes and over 150 different cards to collect.
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The date the Steam store page was first publicly visible. Games typically appear at least several weeks before release, sometimes much longer, during which time they are unavailable for purchase.
The number of days in brackets shows how long before/after first review this game was first seen.
Date of first review. Games cannot be reviewed before they are released, so when this is earlier than the release date, it usually indicates a game that was in early access.
Days since first review, which is typically how long the game has been available for purchase.
Details last updated: April 26, 2024 03:46
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