by Lattyware


Massive Decks Massive Decks

Build Status License

Massive Decks is a comedy party game based on Cards against Humanity. Play with friends! It works great with a bunch of people in the same room on phones, or on voice chat online.

Play Massive Decks


The game is open source software available under the AGPLv3 license.

The web client for the game is written in Elm, while the back-end is written in Typescript.


If you would like to run an instance of Massive Decks, there are a couple of options.

It is suggested you read the deployment guide on the wiki.


Server / Client

Also see docker-compose.yml. The client image is an nginx server that both serves the static web client and acts as a proxy for the server. As such, the server should not be exposed publicly directly.


Deploy to Heroku


If you have any problems with the game, please raise an issue. If you would like to help develop the game, check the wiki's contribution guide for how to get started.

The game has a system for translation, and if you would like to provide translation to a new language, please see the guide on the wiki.



Massive Decks is maintained by Reread Games.


The 'Cards against Humanity' game concept is used under a Creative Commons BY-NC-SA 2.0 license granted by Cards against Humanity.

Massive Decks is also inspired by: