Operation: Outbreak Idle
Command automated military defenses, upgrade your fortress, and survive massive zombie waves in this action-packed idle defense game. Build powerful defenses, unlock upgrades, and hold the line against endless undead hordes.
2 playing now
1-year peak: 16 (Sep 6, 08:12 UTC)
Price history and discounts
Current price: $4.99. All-time low: $4.49 (low recorded on 09/04/2026). The price is 11% above the all-time low — discounts tend to come back, so waiting for a sale may pay off.
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$19,49
Europe (€)
5,19€
United Kingdom
£4.59
Kazakhstan
1 650,00₸
Ukraine
130,00₴
DLC (1)
Screenshots
System requirements
Minimum
Minimum:
- Requires a 64-bit processor and operating system
- OS: Windows 10/11 (64-bit)
- Processor: Intel Core i3-9100 / AMD Ryzen 3 3200
- Memory: 8 GB RAM
- Graphics: NVIDIA GTX 750 Ti / AMD Radeon RX 550 or equivalent with 2 GB VRAM
- Storage: 1 GB available space
- Sound Card: DirectX compatible with surround sound support
Recommended
Recommended:
- Requires a 64-bit processor and operating system
- OS: Windows 10/11 (64-bit)
- Processor: Intel Core i5-10400 or equivalent
- Memory: 16 GB RAM
- Graphics: NVIDIA GTX 1660 super or equivalent
- Storage: 1 GB available space
- Sound Card: DirectX compatible with surround sound support
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Recent price changes
| Change | When |
|---|---|
|
|
9 d ago |
| $4.49 | 16 d ago |