Sky Rogue

Alpha funding! Early access, alphafunding, or paid-alpha is a funding model in the video game industry by which consumers can pay for a game in the early stages of development and obtain access to playable but unfinished versions of the game, while the developer is able to use those funds to continue work on the game.

A simple, accessible-yet-difficult, fwooshy, “feel good” flight sim. Blow things up on an infinite number of procedurally-generated islands, but watch out for volleys of missiles; when you die, you're dead.