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- For the binary star, see Algol.
An original DemonStar screenshot, 2-player mission
|Developer(s)||Mountain King Studios|
|Publisher(s)||Mountain King Studios|
|Distributor(s)||Mountain King Studios|
|Composer(s)||Robert C. Prince, III|
|Genre(s)||Shoot 'em up|
DemonStar is a shareware computer game developed by Mountain King Studios, based on their earlier game Raptor: Call of the Shadows. It is a top-down vertical scrolling shooter game with an outer space theme. The game shares many similarities with the Raiden series. DemonStar features various power-ups, including smart bombs and other power-ups which modify the types of projectiles that the player's ship fires.
The full version of the game features 18 levels. At the end of each level is a boss ship that the player must destroy to finish the level.
The Terran Fleet is developing a new prototype starfighter, the RaptorX, and the player is a test pilot of that prototype. Suddenly, the Xidus Armada Fleet, the Terran Fleet's arch enemy (ever since Galactix), launches an all-out surprise attack on the Terran Fleet that catches them with their guard down, destroying all Raptor fighters in the process, save the few RaptorX prototypes which were away being tested. Now the player must battle through the Xidus Fleet alone, destroy their ultimate weapon, codenamed the DemonStar, and save the rest of the Terran Fleet.
After the original DemonStar was released, two spin-off titles have been released: DemonStar Secret Mission 1  and DemonStar Secret Mission 2 . These games have many improvements, including better graphics, re-designed models and icons, higher difficulties, etc.