Iridion 3D - Plot

Plot

In the opening cinematic of Iridion 3D Earth is attacked without warning by the Iridion, who take over much of the surface and lay mines in orbit and bombs in the Pacific Ocean. The player is the pilot of an experimental SHN fighter, the last hope for defending Earth from the Iridion. The player pilots his ship alone against hordes of Iridion fighters and natural obstacles. The early stages begin on Earth, with the player fighting through an Iridion garbage tunnel. The player proceeds to the Pacific Ocean and destroys much of the Iridion invasion fleet on Earth before heading into the stratosphere to destroy the orbital blockade around Earth and subsequently annihilating the Iridion boss at the Moon.

With the invasion fleet in ruins, the player heads into the far reaches of space. After destroying an Iridion mining colony within an asteroid belt, the player proceeds into the Iridion home system. Eventually the player fights the Iridion on their home world, destroying the Iridion "mainframe" and ending the alien threat forever.