BigHero NexusGUNDAM GCG
VERSION 0.7 PLAYABLE THROUGH GD05

The GUNDAM Card Game,
playable in your browser

Build a deck and jump straight into a match: another pilot online, a friend in a private room, or the AI. No installs, no account, completely free.

Card ReleaseYour deck is checked before every match.

Get automatically matched with another waiting player. Uses the deck above.

Play a solo game against a computer opponent.

Public rooms appear in the Waiting Rooms list so anyone can join. Private rooms are join-by-code only.

Make It Yours

Your own sleeve, resources, and bases

Log in with Discord to pick your card sleeve, resource and EX resource art, and your EX base. They show up in every match you play.

Log in with Discord
EXBP-001 preset EXBP-002 preset EXBP-003 preset EXBP-004 preset EXBP-005 preset EXBP-006 preset EXBP-007 preset EXBP-008 preset R-001 preset R-002 p2 preset R-003 p1 preset R-004 p1 preset R-005 p1 preset R-006 p1 preset R-007 p1 preset R-008 p1 preset R-009 p1 preset R-010 p1 preset R-011 p1 preset R-012 p1 preset R-013 p1 preset R-014 p1 preset EXR-004 preset EXR-005 preset EXR-006 preset EXR-007 preset
Share Your Deck

Community deck lists

Browse decks from other players.

Browse deck lists
BE RushSquall Strike LeagueSquall NU V4Cronos Raid_Quiet_Zero( ദ്ദി ˙ᗜ˙ )
Multiplayer Tables

Battle Royale & Team Battle

Create a table, share the code, then start once everyone joins. Pick your mode below.

Battle Royale 3–4 players
Team Battle 2v2 · 4 players
Version 0.7 · Playable through GD05

Choose your table

Play online, practice against AI, open a private room, or create a 3-4 player Battle Royale table.

Online Multiplayer

Use Quick Play to be matched with another waiting pilot, or open a private room and share the code with a friend.

Battle Royale

Open a table for 3-4 players, share the code, and play on one shared board.

Practice vs AI

Play the AI anytime. It runs real starter and meta decks, so it's a good way to test a new build.

Alternate Card Art

Pick your favorite card art in the Deck Builder and that's what you'll see in the match.

Best of 3 Matches NEW

Tournament-style matches: first to 2 wins. Build a 10-card side deck in the Deck Builder and swap cards between games. Pick "Best of 3" in Quick Play or when creating a Custom Room.

Real Game Screenshots

See the simulator in action

Real screenshots from real matches: the board, card details, the log, and AI games.

BigHero Nexus gameplay screenshot with red board theme
Live Match BoardRed Theme
BigHero Nexus gameplay screenshot with green board theme
AI Match BoardGreen Theme
BigHero Nexus gameplay screenshot with white board theme
Live Match BoardWhite Theme
What's New

GD05 Official Alternative art

Latest Version 0.7
Fully Support all GD05 alternative art
Newly Ex resource art selection
More updates:
Getting Started

Three steps to your first match

Build your deck

Paste a decklist into the box above, or open the Deck Builder to create and save a supported deck.

Choose a mode

Quick Play for a random opponent, a private room to play with a friend, Battle Royale for 3-4 players, or a solo match against the AI. Online modes can also be played as a Best of 3 with side-deck swaps between games.

Battle

The game runs each phase, effect and combat step for you in real time. Make your plays and take the win.

Live Matches

0 active
ModeRoomPlayersTurnPlay TimeIdle
No active matches right now.

Waiting Rooms

0 waiting
RoomNameHostPlayersAge
No public rooms are waiting right now. Create one!
Feedback & Bug Report

Disclaimer

BigHero Nexus is an unofficial, non-commercial simulator for personal playtesting and learning. It is not affiliated with, endorsed by, or sponsored by Bandai, Sotsu, Sunrise, or any official rights holder. All card names, images, characters, logos, and related trademarks remain the property of their respective owners. Version 0.7 currently supports playable setup through GD05 and may be changed, limited, or taken offline at any time.