How to play -

(1) in players turn he/she must place his alien on the board or move an alien from the board to another position

(2) players when taking aliens from outside must always do so from the top of any one of the stacks

(3) you can place an aliens on an empty spot or on top of another smaller alien

(4) an alien placed on the board from the outside must be placed on an empty spout unless the opponent already has 3 aliens in a line. In that case, the player is allowed to place an alien from the outside on a smaller alien

(5) you can put your alien your own smaller alien or the opponents smaller alien

(6) once a player touches an alien he/she must play it.

(7) To win - the player who first arrange 4 of his aliens in a line either horizontally, vertically or diagonally wins.