Day 21: I don't think I've ever played or run a licensed RPG! I much prefer original takes, even if they're heavily riffing off of another IP.
Although, I really liked reading Green Ronin's Song of Ice & Fire #ttrpg The party-building themes of creating your house through a party was always really cool. They could've upped the player-input on the house rolls, but I'd love to try it one day!