Free games like Tetra Project - 原石计划
Below are 8 free-to-play Steam games similar to Tetra Project - 原石计划, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Tetra Project - 原石计划 page.
Ranked picks
- 1

Tactical Monsters Rumble Arena
Free-to-play alternative to Tetra Project - 原石计划 — no purchase or trial window. Shares Strategy and Indie with Tetra Project - 原石计划.
Are you ready to RUMMMBLE?
- 2

Prismata
Free-to-play alternative to Tetra Project - 原石计划 — no purchase or trial window. Shares Strategy and Indie with Tetra Project - 原石计划.
A perfect-information strategy game inspired by RTS, deckbuilders, and board games. Choose from three distinct technology classes and outwit your foes by snowballing your starting resources into a powerful cybernetic army. ABSOLUTELY NO PAY-TO-WIN.
- 3

Cards and Castles 2
Free-to-play alternative to Tetra Project - 原石计划 — no purchase or trial window. Shares Strategy and Indie with Tetra Project - 原石计划.
Collectible cards spring to life in this wacky Tactical CCG. Assemble a deck to challenge your friends and rivals, and engage in glorious CARD BATTLES! Will you choose fearsome dragons, or the deadly squirrels?
- 4

We Slay Monsters
Free-to-play alternative to Tetra Project - 原石计划 — no purchase or trial window. Shares Strategy and Indie with Tetra Project - 原石计划.
We Slay Monsters streamlines traditional roguelike RPG gameplay and introduces a unique poker-esque card based combat mechanic. Each class (Wizard, Rogue, Warrior) has a unique deck of cards; using this deck you will guide your hero through the dungeon.
- 5

Hell Shuffle
Free-to-play alternative to Tetra Project - 原石计划 — no purchase or trial window. Shares Strategy and Indie with Tetra Project - 原石计划.
A driving mix of rogue-like card deckbuilder and turn-based strategic combat. Join one of the three factions, craft a unique deck, set up a squad, use a variety of talents, trinkets, items, and a perk tree to wipe out the debauched angelic Protectors again and again.
- 6

月圆之夜 (Night of Full Moon)
Free-to-play alternative to Tetra Project - 原石计划 — no purchase or trial window. Shares Strategy and Indie with Tetra Project - 原石计划.
"Night of the Full Moon" is a stand-alone roguelike card game. Take adventure into Black Forest. Random event, random plot leads to different endings.
- 7

Haxity
Free-to-play alternative to Tetra Project - 原石计划 — no purchase or trial window. Shares Strategy and Indie with Tetra Project - 原石计划.
Haxity is a cyberpunk, PvP, action deck-builder. Draft your deck, modify your fighter and outsmart your opponent in intense Head-to-Head battles. Fight online, challenge your friends or terminate the AI. Slot, hack and execute, welcome to Haxity!
- 8

Rival Books of Aster
Free-to-play alternative to Tetra Project - 原石计划 — no purchase or trial window. Shares Strategy and Indie with Tetra Project - 原石计划.
Rival Books of Aster is a strategy deck building game that features over 140 hand illustrated spells that you can use to build custom decks and go head to head against other players. Each spell is also a page in a living story book that translates itself and reveals its secrets as you play the game.