Alien Sky is a top-down space shooting game made by KraiSoft Entertainment released in 2003, it is a Singleplayer game that comprises of 10 Levels, and each levels contain up to at least 12 normal stages and 1 boss stage, the game features several power-ups and different kinds of aliens for the player to fight which could come in different formations, the game also features a Worldwide Hall of Fame that a player can submit their scores into if they decided to register for the game and post their scores online.