A blue deep-sea drifter hunts the ocean floor for lost artifacts, with a teleporter that charges while you swim.
Steer a lone figure through a concrete tunnel while spinning checkered blades sweep past, and see how many seconds you last.
Harpoon squid against the clock through a porthole, spare the frogman and keep clear of the mines.
One ship, a starfield and waves of incoming craft: the arrow keys fly, the spacebar fires, and the gun keeps upgrading.
A blue dot dodges bouncing shapes in a bare grey arena, collecting gold squares that make every second busier than the last.