Cover every square except the month, day and weekday.
0:00Cover every square except today's month and day. Drag a piece onto the board; drag it off the board to put it back. Tap a piece to turn it where it lies. Rotate and Flip act on the last piece you touched.
Keys: R rotates, F flips. Without a mouse: Tab to a piece, Enter to pick it up, arrows to move it on the board, Enter to drop, Esc to put it back.