PushTOOL

Enlarge the multiblocks by pulling out the numbered  tiles. Get all the numbers to 0 to go to the next level. The difficulty curve is a bit rough, and the puzzles can get pretty tricky, so feel free to skip some levels if you get stuck.

Arrow keys/WASD to move. [Z] to undo. [R] to restart. [Esc] for level select.

Submission to the Thinky Puzzle Jam. Play standalone or hack this game. Made with my fork of Puzzlescript (more details & credits here).