Alien Slide
Let the same aliens collide and remove all aliens.
Let the same aliens collide and remove all aliens. Drag an alien to move it and slide two aliens next to each other to collide and remove the aliens.
Let the same aliens collide and remove all aliens.
Let the same aliens collide and remove all aliens. Drag an alien to move it and slide two aliens next to each other to collide and remove the aliens.
