主动防御(Active Defense)
This is a strategy tower defense game where players need to choose the appropriate defense towers based on different maps and enemies. The game also offers a variety of defense towers, maps, and an endless mode waiting to be unlocked by the players!
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Price history and discounts
Current price: $0.99. All-time low: $0.99 (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$3,49
Europe (€)
0,99€
United Kingdom
£0.89
Kazakhstan
300,00₸
Ukraine
26,00₴
Screenshots
System requirements
Minimum
Minimum:
- Requires a 64-bit processor and operating system
- OS: Windows7
- Processor: i3
- Memory: 1024 MB RAM
- Graphics: GeForce560
- Storage: 2048 MB available space
- Sound Card: Any
- Additional Notes: None
Recommended
Recommended:
- Requires a 64-bit processor and operating system
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Recent price changes
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