That's right. You can play a card game about making games for Ludum Dare.

Not sure why you want to though. All the games you make are full of bugs. You can make a Harvest game in my card game!

https://ldjam.com/events/ludum-dare/52/ludum-dare-the-card-game

Check out the let's play: https://www.youtube.com/watch?v=2h018lz1AR4