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Operation Ninurta - Eris Portal — Steam game overview

Operation Ninurta - Eris Portal Steam game key art
Operation Ninurta - Eris Portal official Steam game artwork

Stored observation / content update:

Operation Ninurta is a third-person tactical shooter with roguelike elements. Explore an infinite procedural maze on Eris, face mutants and bosses, find three crystal keys, and reactivate the portal to win. With limited ammo, upgrades, and warped realities, strategy is vital.

Game metrics below are stored observations; missing values are unknown.

Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.

StatisticRecorded value
Steam App ID3781380
DeveloperMariani Games
PublisherMariani Games
Concurrent players0
Total reviews1
Positive reviews1
Positive review share100.0%
Release dateJun 26, 2025
Price4.99 USD
Estimated gross revenue (low / central / high)USD 75 / 107 / 160