Later on a CD-ROM version was released, containing (very early) video-captured sequences, the speech pack, numerous new animated cutscenes and an extra campaign, where you fought a new alien race called the "rexum".

Based on Warhead by Glyn Williams,[1] Mantis takes the plot further by using 90 missions.

FOE is Earth's final hope to eliminate the Sirian threat.

"Viper" (the player) is a Mantis pilot who was enlisted by FOE to fight the Sirians.

The flight model is weak, the action limited, and overall gameplay, poor ... a null game.