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.

REWARD

• Spend your earnings on a massive selection of persistent upgrades to support your play style and complement your tactics.
  
• Upload your score to the Global Nexus and contribute to the worldwide cooperative push for rewards.
  
• Leaderboards and achievements with SteamWorks.

PRESS

• "This is a big and beefy tower defense game, meant for people not afraid of depth" - Gamezebo
  
• "I would highly recommend picking up this addictive game" - Engadget
  
• "A rich and absorbing tower defence experience" - Pocket Gamer
  
• "Welcome to the gold standard of TD" - Touch Arcade