The point of this game is to match all blocks and to empty the field of all blocks.
Two blocks are matching of they are each others' translation, for example "Hello" och "Hej" ("Hej" means "Hello" in Swedish).
You can only match blocks that are "free". A block is free if it is either at the top, or outermost to the left or right.
This game is Java Applet and requires that you have the Java Virtual Machine installed on your computer. If you don't have that, your browser will probably ask you to install it. You can get java here. Some web browsers need to be restarted after that you have installed Java for the first time.