Thanks for playing! I decided not to add mouse support because usually RPGs don't have it, also, in my opinion, it's more comfortable to play the game using only a keyboard. Could you explain more how did you get stuck? If it has something to do with the physics, you can press R to restart the level. The first pair of puzzles was supposed to be completed with snow blocks and the second one with ice blocks, but I didn't have enough time left to introduce the spells to the player.