Phantom Cardia: Astral Card Duel

Build Your Deck. Reclaim the Lost Constellations.

The stars above the six academies are going dark one by one. The names and memories bound to them are disappearing as well.

Choose your academy, build a 30-card deck, follow the trail of sealed archives, and uncover the truth behind the stolen memories of the stars.

Shape Your Own Strategy

Combine minions, spells, and weapons from a launch pool of 168 cards. Build chains around academy skills, card effects, and Bonds.

Manage your mana, board position, and attack timing. Every turn asks you to choose between pressing the advantage, protecting a key unit, or preparing for the turns ahead.

Master Six Academies

Command the Ember, Tide, Gale, Stone, Radiant, and Umbral Academies.

Each academy offers a distinct hero skill, card synergies, and deck-building identity. Master the strategy that suits you, or expand your collection and experiment with new academies and combinations.

Reforge Cards with Startrace

Fuse duplicate cards into a chosen base card and engrave it with permanent Startrace traits.

Combine Startraces, Bonds, Destinies, and Boss Imprints to strengthen familiar cards and transform even an ordinary card into the heart of your deck.

Challenge the Stolen Memories

Travel through an eight-chapter story campaign spanning 60 nodes and face eight bosses with unique mechanics and changing phases.

Choose your path through card duels and story events, recover sealed archives, and piece together the memories scattered across the stars.

Choose Your Challenge

Beyond the complete Star Map campaign, several standalone modes offer new ways to test your decks:

• Roguelite Adventure: Climb eight randomized floors, choose routes across three difficulty levels, and collect run-specific blessings as you push deeper.
  
• Free Duel: Choose an academy and deck, then challenge the AI whenever you want a standalone match.
  
• Boss Rush: Unlocked after completing the main campaign. Face all eight bosses with the same deck while health carries between battles. Choose one field supply after every victory, with the boss order changing each run.
  
• Astral Arena: Unlocked after Chapter One. Pursue seven victories before suffering three defeats, face increasingly dangerous opponents, and earn a ranked chest based on your final record.

Duel Friends over LAN

Create a room on your local network and let the game automatically discover available matches.

Bring the 30-card deck you built and face a nearby friend in a one-on-one card duel. No public matchmaking server is required, making it ideal for homes, dorms, and local gatherings.

Play at Your Own Pace

Phantom Cardia: Astral Card Duel is a deck-building card game centered on offline single-player content, with optional LAN battles for friends.

The full game is a one-time purchase. Card packs and resources are earned through play, with no forced advertisements, paid card pulls, or daily-task pressure.