Operation: Outbreak Idle

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Released Sep 1, 2026

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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.

Genres: Shooter
Platforms: PC (Microsoft Windows)
Game modes: Single player
Engines: Unity
Keywords: steam achievements steam next fest june 2026
Languages: Chinese (Simplified) · Interface, Subtitles English · Interface, Subtitles French · Subtitles, Interface German · Interface, Subtitles Italian · Interface, Subtitles Japanese · Subtitles, Interface Korean · Subtitles, Interface Polish · Interface, Subtitles Russian · Interface, Subtitles Spanish (Spain) · Subtitles, Interface Thai · Interface, Subtitles Ukrainian · Interface, Subtitles

Complete release history (1)

PC (Microsoft Windows) · September 2026
Worldwide · Month · Full release · IGDB

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