This is an online version of the pencil-and-paper game Eat Poop You Cat, which is described here. It is kind of like the kid's game of Telephone, only with phrases alternating with pictures. You can play the game with your friends on a Slack or Discord server. Here is an example game:
Inside of a dog, it's too dark to read!

Snoopy has no love for the written word.

You can add the bot to your Slack or Discord server by clicking on one of these two links:
Once the bot is in your server, you can talk to the bot:
@epyc help — get a list of commands.
@epyc start @player1 @player2 ... — start a new game.