Operation: Outbreak Idle

by DeadLogics

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 hor

Released Sep 4, 2026 · Demo available · 82% positive of 23 Steam reviews

Tags: Tower Defense, Zombies, Bullet Heaven, Bullet Hell

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