Project Starfighter

Project: Starfighter is a 2D shoot 'em up written by Parallel Realities (Stephen J Sweeney). It is a mission and objective based game also featuring an intricate plot. The game was later released by Sweeney as Freeware and the engine's source code was opened to the public. The game is now maintained and updated by the game's community as Free and open-source software.