You play as Red against Blue.
The board consists of five square boards (of sizes 1x1, 3x3, 5x5, 7x7 and 9x9) stacked on top of each other.

You play as Red against Blue. Each player has 4 tokens.
First the two players alternate in placing a token. You cannot place a pawn on the smallest (light blue, 1x1) layer.

Then each player first moves a layer and then a piece.
To move a layer one step (orthogonally only), move any coloured square that is not occupied by a pawn. All smaller layers and the pawns they carry will move at the same time.
Each layer can only be move once into each of the directions. Arrow at the borders of the boards will indicate which moves are still available.

You can also move ('walk') a pawn (orthogonally or diagonally) more than one step by using several partial moves.
To stop the partial moves, click the lightning bolt at the tool bar.
You can only move a pawn towards and over empty positions.
You cannot place a pawn onto the smallest (light blue, 1x1) layer, but you can move over it.

A sign with text 'Place', 'Layer' or 'Walk' will tell you whose turn it is and what type of action is expected next.

You win when you have stalemated your opponent.

In variant 2 each player has six tokens.
In variant 3 each player has eight tokens.