The listing, Sentinel 4: Dark Star $6.99 Steam game Key has ended.
Sentinel’s award-winning strategy gameplay expands explosively as the interstellar war moves to a mysterious alien world. Deploy devastating new towers and technology against an enemy that’s smarter and more deadly than ever before as you explore the mystery of the Dark Star.
CONQUER
◾A huge campaign across 31 unique maps, each also playable in Endless mode.
◾Defend massive, multi-screen landscapes and marathon paths.
DESTROY
◾A bestiary full of new and returning enemies. Their special abilities and varied behaviour will keep even veteran players on their toes.
◾The aliens fight back with the ability to damage, disable and destroy towers.
LOCK'N LOAD
◾Control three varied Commander heroes to back up your defenses. Earn experience and level up to gain powerful new abilities.
◾Pick your loadout from an extensive assortment of weaponry. Unlock Uber Towers that pack power to match their size.
◾Deploy your own units onto the path to hinder attackers.
◾Call in support from the skies with the Sentinel's trademark ship weapons.
◾Unleash drones, nukes and more from your new improved Stronghold.