Make Tetragon play online

You can erase blocks by aligning them vertically or horizontally in a row or column on the board. The game is over when you run out of places to put them!
Try again and again to improve your record!
How to play
Drag the shapes on the board and arrange them on the table.
When a row or a column is aligned vertically or horizontally, a block disappears from the board.
If you erase several rows at once, you will get a bonus.
You can also get a bonus if you erase blocks in a row.
You can play this puzzle game as many times as you like. Challenge yourself to a battle!