1 - From the main menu choose Quiplash, then choose "Make your own".
2 - Login a single player from a device/browser, at jackbox.tv
3 - On your device choose "Create a new episode".
4 - Enter a title for the episode, and enter a few questions / prompts. These can be random letters if needed.
5 - Once finished press Done, and then Publish. *
The achievement will now unlock.
* Note from Pinski: "You don't have to press Publish to get the achievement. It'll pop after pressing Done."