ProtoStone: Free-to-Play Deckbuilder with Local Co-Op

9/2/2026, 10:20:05 AM

Release date: 4/1/2021

Tags: #card-game #deckbuilding #local-co-op #co-op #card-battler #trading-card-game #board-game #tabletop

User Reviews

Score: 57%Mixed
Review Count: 14 reviews
Fetched At: 9/2/2026, 10:20:06 AM

Reference prices

Japan

Free to Play (JPY)

Steam JP

Free to Play (USD)

Steam

Live Store Snapshot

Body text may reflect the state at publication time. For the latest sale, price, and review changes, prioritize the live price panel, review panel, and the Steam store listing.

Japan Price: Free to Play
Global Price: Free to Play
Sale Status: Regular pricing
Price Checked At: 9/2/2026, 10:15:41 AM

Key highlight

ProtoStone is a free-to-play deckbuilding card game featuring 4 unique classes and over 150 cards. Enjoy offline play and local co-op with a relaxing soundtrack.

Who this is for

If you're looking for an accessible deckbuilding card game that can be enjoyed offline, ProtoStone is a solid choice. It's also great for local co-op sessions with friends.

Details

Overview

ProtoStone invites players into a free-to-play card game experience, focusing on strategic deckbuilding and engaging battles. Developed and published by Esteban Jauregui, this title offers a refreshing take on the genre with its emphasis on accessibility and offline play. Whether you're a seasoned card game enthusiast or new to the scene, ProtoStone provides a welcoming environment to dive into.

Highlights

Diverse Classes and Cards: Choose from four distinct classes, each boasting a unique playstyle, and collect over 150 different cards to customize your decks.
Offline & Local Co-Op: Enjoy the full game experience without an internet connection, perfect for gaming on the go or with friends nearby thanks to its local split-screen co-op feature.
Relaxing Atmosphere: Immerse yourself in the game's fantasy world with a soundtrack featuring over 20 chillax songs and 20 fantasy-inspired tracks, creating a laid-back gaming session.

Who It's For

ProtoStone is ideally suited for casual gamers looking for a deep yet accessible card game. Its offline nature and local co-op make it a great choice for playing with friends or family without needing a stable internet connection. The blend of strategic deckbuilding and a relaxed atmosphere also appeals to those who enjoy a more laid-back approach to gaming.

Game Info

ProtoStone is a digital card game developed and published by Esteban Jauregui. It supports both single-player and local co-op modes, making it versatile for different playstyles. The game is free to play, removing any barrier to entry for interested players. Its design prioritizes a balanced gameplay experience with distinct class identities and a collection of over 150 unique cards.