After Hours, a 8x8 Patches puzzle
Arrow keys move. Enter starts a rectangle; arrows resize it; Enter places it. Escape cancels. Delete removes a patch. Control or Command Z undoes.
About this board
A tall 15 fills the top-left and an 8 lies along the entire bottom row, both fixed from the start, so the board is framed before you begin. Inside the frame are narrow columns: a 6 that runs six cells down and two 3s beside it. The wide shape-only clue in the top-right corner is the last piece; it settles in the second round, once the cell at its far left end can only be its.