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Open Alpha v0.0.35.8 · 100% Non-Profit Fan Project

HololiveDeckConstructor [OPEN ALPHA]

The standalone PC digital simulator for hololive Official Card Game. Built for easy learning with 3 languages (JP / EN / ES), deck building, 1-click code sharing with friends, and real-time battles.

🌐 3 Languages Supported: 🇯🇵 日本語 · 🇺🇸 English · 🇪🇸 Español 📚 Guided Rulebook Engine Ideal for Learning to Play 💻 Windows · 📱 Android · 🐧 Linux (Coming Soon)
🟢 OPEN ALPHA · FREE FOR EVERYONE OPEN BETA · COMING SOON

HololiveDeckConstructor is now in Open Alpha: anyone can download it and play for free, no access key needed. Create your account in the game and play online or against the AI. Found a bug? Report it from the game or on our Discord.

v0.0.35.8 · Windows (.exe) · Android (.apk)

HDC IN ACTION

Explore HDC in under two minutes

Deck building, importing lists, guided learning and matches. Watch the trailer with English narration.

GAME SHOWCASE

Discover HololiveDeckConstructor

Explore core features of the executable PC client designed for learning, building, and battling.

Creación de Mazos y Selección de Oshi HDC
1. DECK BUILDING & SHARING

Deck Creation & 1-Click Code Sharing

Choose your favorite Oshi (La+ Darknesss, Sora, Suisei, Marine...), explore the full card database, and create 50-main + 20-cheer decks. Generate your HDC1- code in 1 click to share instantly with friends.

2. REAL-TIME DUELS

Matches VS Rival AI & Online Multiplayer

Compete online against friends in real-time or practice solo against the Rival AI. Includes initial hand Redraw (Mulligan) system, Cheer Deck management, Stage zones, and turn timers.

Duelos en Tiempo Real y Mano Inicial HDC
Motor con Reglas Oficiales y Menú HDC
3. OFFICIAL RULES & LEARNING

Official Game Engine & Ideal for Beginners

Strictly follows the official hololive Official Card Game rulebook. Perfect for learning step-by-step: turn phases, stage placement, Bloom evolutions, Cheer assignment, and HP calculation.

4. PROFILE CUSTOMIZATION

Full Player Profile Customization

Customize your player profile to your style: choose your favorite Hololive Oshi, profile picture, ornamental frame, background wallpaper, and view global stats.

Personalización de Perfil de Jugador HDC
SCREENSHOT GALLERY

Client Gallery

Real client screenshots, with their version and platform identified.

LATEST RELEASE

Latest Update Details (v0.0.35.8)

Open Alpha v0.0.35.8: rebuilt tutorial, blue action auras, available SP marker and account confirmation.

Notas completas / Full patch notes (ES / EN)

🌐

One guided match

A rebuilt tutorial demonstrates setup, Bloom, Spot, Buzz, Collab, Oshi, Baton Pass and Arts effects. Empty Center positions are filled in End Phase.

⚔️

Visible available actions

Blue auras identify playable cards, pending Cheer, Collab, Baton Pass and action buttons. The SP marker is shown while unused, only on Oshi with an SP.

⚡

Clear account confirmation

Successful account creation closes the form and confirms the signed-in account. Player-confirmed effects are synchronized; the Mela/Kyoko demo decks are preserved.

ROADMAP

Roadmap

Each step in order, without delivery dates. Open a milestone to see its scope and status. Locally prepared work may still await publication.

  1. Card product originsplanned

    Review and update the products containing each card.

  2. Artist credits and social linkspartial

    Credit and social icon interface prepared. Expand the remaining verified artist attributions and links.

  3. Talent-specific SP markerspartial

    Expand talent-specific SP markers with the glowing-track design and matching animated announcement.

  4. Basic gameplay soundsplanned

    Combat, drawing, Cheer and other actions with volume controls.

  5. Oshi ability soundsplanned

    Sounds tied to each ability without duplication during resolution.

  6. Soundboard by theme Oshiplanned

    More options for each talent.

  7. Background music by Oshiplanned

    Theme-based playlists using original tracks or music authorized for distribution.

  8. Main-menu news panelplanned

    Events, products and card reveals in a carousel with details and source links.

  9. Tournament streams in Metaplanned

    Access live and recent tournaments from Meta.

  10. Online friendsplanned

    Show availability and update disconnections and pauses.

  11. In-match text chatplanned

    Separate panel below the action log, with user controls.

  12. Private messages between friendsplanned

    Messages, history and permissions linked to friendship.

  13. Higher AI difficultyplanned

    Extend existing planning and evaluate decisions through matches and reproducible scenarios.

  14. AI challengesplanned

    Scenarios, objectives and verifiable progress.

  15. Link an account with Googleplanned

    Link an existing HDC account without duplication or data loss.

  16. Spectator modeplanned

    Watch synchronized matches without revealing private cards.

  17. Full web versionplanned

    Replaces the demo with accounts, online play, saves and full browser-compatible features.

  18. Automated community tournamentsplanned

    Registration, pairings, results and organizer tools.

  19. Betaplanned

    Beta is tied to 100% verified effects. Completing the bar will reveal a surprise.

👾
💬 PLAYER COMMUNITY & FEEDBACK

Join the Discord Community

Report bugs, share deck codes, find opponents for custom rooms and stay tuned for every update and the Open Beta.

💬 Join Official Discord ↗
☕

Support the Creator (Buy Me a Coffee)

⚠️ Aviso Importante sobre Donaciones y Apoyo: El apoyo económico es 100% voluntario y está destinado exclusivamente a apoyar al creador y cubrir los costos de servidor e infraestructura.

HololiveDeckConstructor es un proyecto de fans 100% gratuito. Las donaciones NO otorgan acceso exclusivo, claves inmediatas ni ventajas en el juego. El juego se descarga gratis, para todo el mundo.

☕ Support Creator on Buy Me a Coffee ↗