Operation Ninurta - Eris Portal

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App ID	3781380
App Type	Game
Developer	Mariani Games
Publisher	Mariani Games
Supported Systems	Windows
Technologies	Unreal Engine, EpicOnlineServices SDK
Last Changenumber	29766310
Last Record Update	26 June 2025 – 15:00:12 UTC ()
Release Date	26 June 2025 – 15:00:04 UTC ()

❓ 59.42%

1 reviews

In-Game

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.

Screenshots

Additional Information

Developer

Mariani Games

community_visible_stats

Yes

ReleaseState

released

Publisher

Mariani Games

Store Release Date

26 June 2025 – 15:00:11 UTC ()

osarch

community_hub_visible

Yes

Social Media

https://discord.gg/cwGbJqJWyp
https://www.facebook.com/MarianiGames/
https://www.instagram.com/operation_ninurta/
https://www.youtube.com/@MarianiGames

Primary Genre

Action (1)

Store Genres

Action (1), Adventure (25), Casual (4), Indie (23)

Steam Release Date

26 June 2025 – 15:00:04 UTC ()

Store Asset Modification Time

5 June 2025 – 12:36:54 UTC () (1749127014)

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osextended

empty string

Detected Technologies (?)

Unreal Engine, EpicOnlineServices SDK, Intel_oneTBB SDK, NVIDIA_Nsight_Aftermath SDK, Ogg SDK, Vorbis SDK, XAudio2 SDK

controllertagwizard

Yes

First seen on SteamDB

28 May 2025 – 17:39:07 UTC (), in changelist #29242527

Supported Languages

13 Languages	Interface	Subtitles	Achievements
English	Yes	Yes	Yes
French	Yes	Yes	Yes
Italian	Yes	Yes	Yes
German	Yes	Yes	Yes
Spanish - Spain	Yes	Yes	Yes
Simplified Chinese	Yes	Yes	Yes
Traditional Chinese	Yes	Yes	Yes
Korean	Yes	Yes	Yes
Japanese	Yes	Yes	Yes
Polish	Yes	Yes	Yes
Portuguese - Brazil	Yes	Yes	Yes
Russian	Yes	Yes	Yes
Turkish	Yes	Yes	Yes

Accessibility Categories

Camera Comfort

Custom Volume Controls

Stereo Sound

Surround Sound

Adjustable Difficulty

Assets

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timestamp	26 June 2025 – 15:00:08 UTC

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Operation Ninurta - Eris Portal

Screenshots

Additional Information

Supported Languages

Tags

Categories

Accessibility Categories

Assets