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Operation Ninurta - Eris Portal

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App ID 3781380
App Type Game
Developer
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
0
In-Game
🗺️ Adventure 💥 Action 👻 Action Roguelike 👻 Roguelite 🔫 Shooter

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.

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 64
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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library_capsuleen
library_heroen
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library_headeren
logo_position ↴
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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 Full Audio 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

Tags

🗺️ Adventure 💥 Action 👻 Action Roguelike 👻 Roguelite 🔫 Shooter 🧊 3D 👤 Singleplayer 👤 Third Person ☠️ Perma Death 🌱 Indie 😌 Casual 👽 Aliens 🌠 Space 🚀 Sci-fi 🔀 Procedural Generation

Categories

Single-player Steam Achievements Family Sharing Steam is learning

Accessibility Categories

Camera Comfort Custom Volume Controls Stereo Sound Surround Sound Adjustable Difficulty

Assets

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Assets
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timestamp26 June 2025 – 15:00:08 UTC
Trailers
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Depots

ID Configuration Size DL.
228989 Windows Shared InstallDepot from 228980VC 2022 Redist No size
228990 Windows Shared InstallDepot from 228980DirectX Jun 2010 Redist No size
3781381 Windows 64-bit 804.06 MiB 659.99 MiB
3781382 Windows 64-bitUnused No size

Total size on disk is 804.06 MiB and total download size is 659.99 MiB.

Branches

Name Description Build ID Time Updated
public 18740014 4 June 2025 – 20:06:37 UTC

Other

Name Value
baselanguages English, German, French, Italian, Korean, Spanish - Spain, Simplified Chinese, Traditional Chinese, Russian, Japanese, Polish, Turkish, Portuguese - Brazil
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