Look down a glowing vector tube and ride its rim from lane to lane, firing down the lanes. Flippers climb toward you, tumbling from lane to lane, and on the rim they chase you — one that flips onto your lane drags you down. Tankers split into two flippers, spikers leave spikes and anything may shoot back. One superzapper per level wipes the tube clean; clear it and warp down to the next shape, dodging the spikes on the way. Free, no sign-up — play right in your browser.