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.
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Vote based on whether this game feels indie to you. You can change your vote at any time. Results earn an IGF score after 10 accepted votes.| ContextThe evidence factors used to assess whether this game belongs on IndieGame.Fan. | Status | Notes Latest Contributor: IGF TeamEdit notes |
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18 itemsAbout the Game
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.
