21 or Die Trying. A Card Tactics Game.

Black OX is a turn-based card tactics game where Tic-Tac-Toe meet Blackjack: Place cards onto a grid. Create a line—horizontally, vertically, or diagonally—that totals exactly 21.

Roguelite Deck-Building: Adapt and enhance your strategy between battles. Purchase powerful Action Cards, Forge Card Abilities, and Oxchips that bend the rules in your favor.

Place your cards, make your hand, and take the pot. In Black OX, you don't just play the cards—you play the board. Place cards on a grid to create a line that makes you win. Every round is a duel of wits where a single card can change everything.

• Tic-Tac-Toe with a Twist: Align your cards in a row, column, or diagonal that equals 21 to win.

• Play the Grid: The board is your battlefield. Use tactical placement to block your opponent while setting up your own winning hand.

• Build Your Chip Loadout: Acquire new Chips to enhance your cards, disrupt your rivals, and control the flow of the game.

Bend the game to your will with a powerful deck of game-altering cards. Earn or buy Action Cards to control the flow of the match.

• Build Your Deck: Craft your deck between battles with unique cards that let you manipulate the board and your Rival.

• Action Cards: Play cards that let you redraw, discard opponent's cards, or modify values on the grid.

• Forge Signature Cards: Modify your cards with game-changing effects. Force a card to steal points, double its score, or generate cash with every win.

• Strategic Chess Power: Modify your cards based on Chess pieces, each Chess piece brings a game-changing ability to the board—master them all to dominate.

Unlock and equip over 120 mystical Oxchips—powerful artifacts inspired by ancient runes and symbols that grant you persistent buffs and unique abilities. A good hand is one thing, but a powerful loadout is everything.

• Shape Your Strategy: Equip chips that grant unique powers, like summoning cards on your first turn or draining your opponent's score.

• Symbolic Power: Each chip has a unique identity. Will you focus on an aggressive gold-hoarding build or a defensive, controlling strategy?

• Endless Combinations: With over 120 chips to find and unlock, you can create thousands of loadout combinations to match your playstyle.

• Roguelite Progression: Every run is different. Make choices, build your power, and see how far you can climb the criminal ladder. The path you choose determines your fate.

• A Unique Card Battler: The first game to fuse Tic-Tac-Toe, Blackjack, and roguelite deck-building.

• Deep Strategy: Master card placement, betting, buffing, and a vast library of special abilities.

• Forge Your Own Cards: Modify your cards with game-changing effects.

• Over 120+ Oxchips: Discover and unlock game-changing powers for endless strategic variety.

• Stylized Visuals: Features stunning foil, polychrome, and animated card effects that bring the battle to life.