Blackjack Horror Game Cardsharp Launches on Steam October 14

Indie developer Zandbox Studio Games is preparing to release Cardsharp, a blackjack-inspired horror game that combines card mechanics with multiplayer competition and survival elements.

The game is scheduled to launch on Steam on October 14, 2026, while a free demo is already available. Cardsharp supports single-player, online PvP and online co-op modes.

Players sit at a blackjack table alongside two other participants, who can be controlled by other players or the computer. Depending on the mode, participants can cooperate or compete against each other.

Unlike conventional gambling games, Cardsharp does not involve wagering real money.

Losing a Blackjack Hand Costs a Finger

Cardsharp uses the player's hand as a health system.

Each character begins with five fingers. Losing a blackjack hand allows the dealer to remove one, while winning a round awards in-game cash.

That money can be spent on items designed to affect other players or improve the buyer's chances of surviving subsequent rounds.

Every third round, a cage containing purchasable items descends above the table. The available equipment introduces an additional tactical layer beyond the underlying blackjack mechanics.

One example is a Zippo lighter, which can destroy a card another player has been keeping in reserve.

A Cursed Ring can instead be placed on another participant's finger. If that finger is later lost, another player at the table also takes damage.

Defensive equipment is available as well. Soap, priced at $7 in the game's internal currency, gives the player a 50% chance that the dealer will miss when attempting to take either the little finger or thumb.

Cardsharp Changes Traditional Blackjack Rules

The underlying card game also differs from standard blackjack.

A row of face-up cards called The Pit sits in the middle of the table. During their turn, players can take one of these cards, but the same options are available to their opponents.

Players can also hide one card in their sleeve and deploy it later when it becomes useful. The mechanic is vulnerable to interference, as opponents can use certain items to destroy the stored card before it is played.

Some rounds introduce additional objectives with cash rewards. One example asks the player to draw at least two cards without exceeding 21 in exchange for $7 of in-game currency.

These mechanics make information about opponents' cards, inventories and saved resources part of the strategy rather than leaving the outcome entirely dependent on conventional blackjack decisions.

Multiplayer Adds Cooperation and PvP

Steam lists Cardsharp with both online cooperative and competitive multiplayer support, alongside a single-player mode.

The multiplayer structure allows the horror mechanics to affect relationships between players. Some items can directly sabotage opponents, while others create links between characters or impose penalties that may influence how participants approach later hands.

The developer has not yet disclosed the full victory conditions or progression structure for the finished game.

The current demo contains a limited selection of items and does not include the full meta-progression planned for the release version.

Zandbox Studio Games has also not announced Cardsharp's launch price.

The game joins a growing group of indie titles that borrow recognisable casino mechanics while placing them inside broader strategy, roguelike and horror systems rather than offering conventional real-money gambling.