Dust Scape

Dust Scape is described to be an "anti-shooter".
 * Downlaod page

There are two items to collect:
 * The ambient yellow dots, which are generally collected as you move around the map.
 * The green markers, which increase System Energy (which is your score.)

During gameplay, you can press Shift to drop one of the dust particles you picked up. If a purple enemy contacts this dropped dust, it will be destroyed. White-colored enemies are unphased by the dust.