| App Type | game |
| Release Date | Feb 3, 2014 |
| Details Last Modified | October 8, 2025 (11 months ago) |
| Developer | Origin8 |
| Publisher | Strategy First Inc |
| Genres | Indie, Strategy |
| Supported Systems |
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| Price | $5.99 |
| Required Age | 0+ |
| Recommendations | 140 |
| Achievements | 47 |
| Packages | 1 |
| Website | http://www.origin8.com/sentinel3/ |
| Support Email | support@strategyfirst.com |
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! * An epic campaign across 20 levels.
Family Sharing
Single-player
Steam Achievements