Defense of the Earth
Gather a task force of the best fighters earth has to offer and research technology to defend against the alien invaders. You have to lead your squad through various grid- and turn-based battles. Between missions, you plan your next moves, manage your crew's abilities and unify humankind.
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Price history and discounts
Current price: $3.99. All-time low: $3.99 (low recorded on 09/04/2026). 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$13,79
Europe (€)
3,99€
United Kingdom
£3.39
Kazakhstan
1 200,00₸
Ukraine
99,00₴
Screenshots
System requirements
Minimum
Minimum:
- Requires a 64-bit processor and operating system
- OS *: Microsoft Windows® 8.1/10 (64bit)
- Processor: Intel Core i3-4340 or better
- Memory: 8 GB RAM GB RAM
- Graphics: Compatible OpenGL / VRAM 1GB
- Storage: 1 GB available space
- Sound Card: 4 GB available space
- Additional Notes: 1920x1080 or better Display
Recommended
Recommended:
- Requires a 64-bit processor and operating system
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Recent price changes
| Change | When |
|---|---|
|
|
11 d ago |
| $3.99 | 11 d ago |