Sentinel

About

The gateway to your galaxy is guarded by five space stations forming the Sentinel system. Your galaxy is under continuous threat of attack, but the enemy can only attack during the short periods of relative calm in the asteroid storms. During such periods, the enemy must destroy Sentinel before the main battle fleet can enter your system. Your task is to delay the enemy by protecting the Sentinel system for as long as possible. It is as simple or as difficult as that!! For this purpose, each station has four space ships for defence and you can use one at a time. The ships are armed with a photoncannon and guided missiles. The guided missile is controlled using the same rotation keys used for the ship (the ship is immovable at this time) and may be exploded by pressing “thrust” (space key), or if a missile hits an object or after flying a certain distance. The station's radar discs flash to indicate the approach of enemy bombers.

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