Operation: Outbreak Idle

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Source: IGDB

About this game

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.

System requirements

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Game Snapshot

Platforms

PC (Microsoft Windows)

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Genres

Shooter

Game modes

Single player

Keywords

steam achievements steam next fest june 2026

Age ratingRating unavailable

Languages

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Release · PC (Microsoft Windows): Worldwide — Sep 2026

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