Flytrap writes: "Cube Colossus puts you at the helm of a hovering gunship, controlled with the mouse, and sends you on a ballistics-heavy, 25-mission tour of a giant alien cuboid. There's some angsty waffle about saving your character's twin sister too. It's all a bit "OH THE HUMANITY".
While clicking left mouse button will automatically lock onto and blast the nearest baddie, you can offset shots to lead your target by fiddling with "A" and "D". Quite neat, really. Once you've filled your Overdrive metre by nailing da bogeys, space bar toggles a mega-death mode."