To start a game click on the Generate
This will generate a set of blocks.
Each block can only be moved horizontally across the board.
Click on a block to highlight it, then click on the place you want it to move to.
The aim is to create the same arrangement of blocks in all of the columns.
Note : a column can be left empty.
Once you have the correct arrangement a congratulations message will be displayed.
Different sized boards are provided for greater difficulty.
For a more in depth explanation click here.
Java Applet, Factor1 was created by Steven Linton, 2003