Sentinel 3: Homeworld
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.
2 playing now · 3 h ago
1-year peak: 5 (Sep 18, 15:43 UTC)
Price history and discounts
Current price: $5.99. All-time low: $5.99 (low recorded on 09/05/2026). Now is the best time to buy — the price matches the all-time low.
We track Steam prices automatically and update them within minutes of any change. The chart shows how the price changed over time and helps you decide whether to buy now or wait for a discount.
Prices in other regions
Brazil
R$20,49
Europe (€)
5,89€
United Kingdom
£4.99
Kazakhstan
1 750,00₸
Ukraine
149,00₴
Screenshots
System requirements
Minimum
Minimum:
- OS *: Windows Windows Vista or Windows 7
- Processor: 1.2GHz+ Processor
- Memory: 1 GB RAM
- Graphics: OpenGL 1.3 gfx card/driver with 128+MB Video Ram
- Storage: 300 MB available space
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Recent price changes
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