The biggest installment of the award winning Sentinel sci-fi tower defense series now on PC! Take the fight to the alien homeworld and unleash a massive arsenal of weaponry. Get up close and personal on the battlefield in your power armor to execute devastating attacks and support your defenses!
Key Features:
An epic campaign across 20 levels.
A powerful commander unit which can level up and gain new abilities as you play.
Over 20 unlockable turrets, orbital ship weapons, automated drones and abilities at your disposal.
Customize your weapon loadout in the Armory to match the demands of the mission.
NEW: Includes new content featuring new commander, enemies, campaign, weapons and more!
Endless modes for all maps.
NEW: Steam Achievements
Classic mode allows you to compete for scores in a pure skill-based game mode.
Graphics: OpenGL 1.3 gfx card/driver with 128+MB Video Ram
Storage: 300 MB available space
To activate the game, you need a Steam Account
Login or register at the official Steam Website and download Steam client
Install and start application, login with your Account name and Password
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process
After the successful code verification, go to the "MY GAMES" tab and start downloading.
News & Updates
2026-08-21
The Biggest Games to Steal the Show at Gamescom 2026
Gamescom 2026 is coming at the end of this month with more than 900 exhibitors and we just wanted to showcase some of the upcoming games in the AAA titles category that you should definitely check out! So, be sure to go through our shortlisted future release hits in most gaming genre types, as we get ready to once again explore the world of Gamescom…
ACE COMBAT 8 Could Be the Series’ Most Ambitious Entry
The upcoming Ace Combat 8: Wings of Theve marks a completely new chapter in the popular flight shooting series, by effectively blending cinematic storytelling with the thrills of aerial combat like never before. Developed by Bandai Namco Aces Inc., the game will build upon the decades of established expertise in order to further boost the series’ strong sides…