Flappy's Skybox

In the sky (maybe), there's a bird locked into an invisible box, but everything else can pass trough. From time to time the box teleports around the world, giving no choice to Flappy but to try to survive.

Perhaps in some kind of time loop.

     Keybinds

• LeftCLick - Flap wings
• MiddleClick - Pause/Unpause/Restart
• RightClick - Flap wings/Secondary action