103 years after the greatest catastrophe in the galaxy, four allied races (Cybernetic organism, Insectitoid, Amphibious humanoid, Human) wandered in cosmic arcs, hoping to find a planet suitable for new life. When they finally found planet suitable for life, their way there has changed to a hell after an attack of the aggressors.
The priority has changed to struggle for survival. The player may choose from four characters of the allied races in the single player.
These have different abilities and physical attributes.
Sophisticated branching of the story enables the player to make his own decisions based on his abilities and preferences.
Multiple endings provide 99 unique ways of going through the entire game.