Three difficulties
Medium mixes in bigger pieces with no undo. Hard shrinks the board to 37 cells, deals the big awkward shapes and pays 1.5× points.
Free, no download, no sign-up. This is the app's Easy mode: the big board, small pieces, a look at the next set and one undo per round.
Medium mixes in bigger pieces with no undo. Hard shrinks the board to 37 cells, deals the big awkward shapes and pays 1.5× points.
Your best scores, round history and daily streak, filterable by difficulty.
Nothing to sign up for and no ads on iPhone. It plays offline, and your rounds stay on your phone.