Operation: Outbreak Idle Free Download

【Game Introduction】

Fight for survival in a world overrun by endless zombie hordes. Build your defenses, unlock devastating weapons, and upgrade powerful skills as you battle increasingly dangerous waves of the undead.

Call in overwhelming support such as B2 bomber strikes and attack helicopters to clear massive groups of zombies. Unlock deadly technologies like the Circular Saw, discover new abilities, and create powerful builds through a deep progression system.

As the hordes grow larger and stronger, every upgrade matters. Strengthen your arsenal, adapt your strategy, and see how long you can survive against thousands of relentless zombies.

🔥 Unlock New Skills

Expand your arsenal with powerful new abilities. Experiment with different combinations and create unique strategies for survival.

🧟 Obliterate Massive Zombie Hordes

Face thousands of undead enemies and unleash chaos across the battlefield. Watch entire hordes fall under your growing arsenal of weapons and skills.

☢️ Devastating B2 Airstrikes

Turn the tide of battle with powerful B2 bomber strikes. Erase massive zombie formations and create breathing room when the battlefield becomes overwhelming.

🚁 Call in Helicopter Support

Deploy an attack helicopter to patrol the battlefield and bombard approaching hordes with explosive firepower.

📈 Upgrade Your Power

Invest in upgrades to increase damage, improve efficiency, and strengthen your defenses against ever-growing zombie threats.

⚙️ Unlock the Circular Saw

Discover and unlock the deadly Circular Saw. Slice through waves of zombies with a relentless spinning blade designed for maximum destruction.

【Screenshot】

【Configuration Requirements】

Requires 64-bit processor and operating system
OS: Windows 10/11（64 位）
CPU: 英特尔酷睿 i3-9100 / AMD Ryzen 3 3200
Memory: 8 GB RAM
Graphics: NVIDIA GTX 750 Ti / AMD Radeon RX 550 or 同等配置，配备 2 GB Video Memory
Storage: Need 1 GB Available space
Sound Card: 兼容 DirectX 并Support环绕声