Bark to the Future

Flap with one button and bounce off walls to fill the screen with bullets.

Flap with one button through a side-scrolling shoot-'em-up, dodging threats and firing back. Walls that count as part of your arsenal. Bounces that chain into bullet-hell chaos. A score that climbs with every shot you land. The creator cites Gradius, Flappy Bird and pinball, for flap-style control,…

Description excerpted from the original listing, which is linked below.