Rows of 3 or more blocks of the same colour disappear.

In this way, horizontal, vertical and diagonal rows can be removed.
A, B and C will disappear
The longer the row, the more points you get.

Spacebar: shift blocks in a falling row.

Esc: make help menu appear / disappear.
A, B and C will disappear
In the help menu you can opt for slow or fast

and turn sound on or off.

Good Luck!
A, B and C will disappear

A, B and C will disappear