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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)

3 Languages 🇯🇵 JP · 🇺🇸 EN · 🇪🇸 ES
1-Click Share Deck Codes with Friends
Free Open Alpha · No Key Needed
Coming Soon Global Open Beta
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

🗺️ Update Roadmap

Development roadmap from Open Alpha v0.0.35.8 towards Open Beta release.

PHASE 1 · CURRENT

🧪 Open Alpha · Windows & Android

Free download for everyone on Windows and Android, with bug fixing and engine balance from your reports.

PHASE 2 · COMING SOON

🐧 Linux & Spectator Mode

Linux executable and spectator mode for matches.

PHASE 3 · FUTURE

🎉 Multi-Platform Launch

Open Beta release and automated community tournaments.

👾
💬 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 ↗