See Planet Cube: Edge in vid form, watch here.
"Planet Cube is being invaded! Prepare to run, gun, jump and dash your way through an underwater science complex, collecting fire-power to turn the tables on a mysterious aggressor. This is high-speed adventuring set in a hand-crafted pixel art world, filled with precision platforming and thrills."
At a glance categories:
Precision Platformer, Difficult, 2D