Card Wars 1v1

Adventure Time: Card Wars on PC, with live 1v1 against a friend over the internet.
The real game: the same 3D board, creatures, floops, ketchup bottle and battle ring, with your friend in the opponent's chair.

Why it's cool

• Real 1v1 in the original game. Host a match, read out the 5-letter room code, and your friend joins from anywhere. Each of you plays your own deck, on your own turn, and taps the ring for your own creatures.
• Works over the internet or on the same Wi-Fi. Matches go through free public relays, so nobody has to open ports. On the same network you can also connect directly.
• Everything unlocked from the first launch. No tutorial. Every card (4 copies of each, the most a deck can hold), every hero, every quest on both maps and every dungeon.
• Both games stay in sync. Every move is replayed on the other side through the same code the computer opponent uses, all randomness comes from a shared seed, and the two games compare a checksum of the board after every turn.
• Also in the browser. A web version of the battle for two players, playable on phones too, with pass & play and a practice mode.

Screenshots

Two real players: you and your friend take the seats
Battle!	Tap the ring for your own creatures
Everything unlocked: 1664 cards, level 15 heroes	Leave a lane open and pay for it

Install (Windows)

Download and double-click Install-CardWars1v1.bat from the 1v1-latest release, or paste this into PowerShell:

irm https://github.com/k1ri2o/CardWars/releases/download/1v1-latest/Install-CardWars1v1.ps1 -OutFile $env:TEMP\i.ps1; powershell -ExecutionPolicy Bypass -File $env:TEMP\i.ps1

It downloads Card Wars 1.12.8 for Windows, swaps in the 1v1 build of the game's code and puts a Card Wars 1v1 shortcut on your desktop. Run it again to update. Both players need the same version.

The first launch may show an optional Register / Login box: press Cancel, then No, to play as a guest.

Play a friend

1. Pick your deck in the deck builder.
2. Tap Battle, then Deck Wars. The Play a Friend screen opens.
3. One player taps Host a match and reads out the room code.
4. The other types the code and taps Join.

After the match, Rematch starts another one. The full rules and details are in versus/README.md.

How it works

sequenceDiagram
    participant You as Your game
    participant Net as Relay or direct link
    participant Friend as Friend's game
    You->>Net: your move (card, floop, target, ring tap)
    Net->>Friend: same move
    Friend->>Friend: replays it like the computer opponent would
    You-->>Friend: board checksum after every turn
    Friend-->>You: board checksum after every turn

Loading

The game's own C# scripts are in Assets/Scripts/Assembly-CSharp/. The 1v1 code lives in Versus/: the lobby and session, a reliable message channel, the MQTT relay and direct TCP links, the shared random seed, and robot players that play whole matches by themselves for testing. GitHub Actions compiles the scripts into Assembly-CSharp.dll with Mono on every push and publishes the installer.

What's in this repository

Folder	What it is
Assets/	The Unity 2017.4 project of the PC port: scripts, card and hero data, art, scenes
Assets/Scripts/Assembly-CSharp/Versus/	Live 1v1 and the everything-unlocked starter pack
versus/	Windows installer, DLL build script, relay check
web/	The browser version of the battle

Build it yourself

You don't need Unity to build the game code:

versus/build-dll.sh <CardWars_Data/Managed folder of the 1.12.8 release> Assembly-CSharp.dll

Copy the DLL into CardWars/game/CardWars_Data/Managed/. The full Unity project opens in Unity 2017.4.40f1.

Credits

Card Wars and Adventure Time belong to Cartoon Network. The original mobile game was made by Kung Fu Factory. The PC port this builds on is shishkabob27/CardWars. This is a non-commercial fan project and is not affiliated with or endorsed by any of them.