Enjoyable stacking game.
I would have liked a tutorial built into the game just to make it a bit more clear what the goal is, and the scoring seems a bit difficult (a whole row?). Maybe in a post-jam version, you could have easier difficulties where you only need like 1/3 of a row of the same block/cat to score?
Also occasionally the line clearing didn't work, which I assume was a bug?
Overall, an enjoyable game, if a bit difficult to score/gain points in.