The board is above this text. Press Play and it starts.
Drag a piece onto the grid. Fill a whole row or a whole column and it clears, and those cells are yours to build on again. You are offered three pieces at a time, and the run ends when not one of them fits anywhere on the board.
Yes. The whole game is free to play. Nothing to buy and no account to make.
No. It runs in the browser, on a phone, a tablet or a computer. It is the same game either way.
Yes, once you have opened it once. The page keeps itself on your device, so a later visit starts with no connection at all. Your scores and your settings stay on your device too.
The browser version is the app: install it from your browser menu and it takes an icon on your home screen and runs full screen. An Android build is made from this same code and is in testing, so there is no store listing to link to yet.