Hey! One of the authors of the paper here. Actually, many of our generated levels are playable because our model actually predicts the path of a search algorith

Hey! One of the authors of the paper here. Actually, many of our generated levels are playable because our model actually predicts the path of a search algorithm (A* agent) that was able to solve a ton of levels. MarioGPT is not always perfect though, as it sometimes predicts impossible jumps lol