You're assigned to dock a remote space station. Dock the top-secret archeological mining station and find out why it hasn't given a sign of life in months then fix the problem.
Build towers and survive through 51 hardcore waves of aliens that heal themselves, haste other enemies, split into more enemies and freeze your towers.
In a world called Inamorata, you're surrounded by discriminate nations devoted to their individual nation's technology and struggle for dominance. Build your stick army and go conquer the enemy.