About Protocol Nadir

Protocol Nadir is an Indie, Adventure, Simulation, and Free to Play game developed by TotalEclypseProductions. On 5/31/2025, it was released on the Steam Store by TotalEclypseProductions.

It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.

According to Steam’s category system, Protocol Nadir supports the following features:

• Family Sharing
• Single-player

From the Steam community, Protocol Nadir has been tagged with the following user tags:

• Mystery Dungeon
• Psychological
• Dungeon Crawler
• Lore-Rich
• Dark
• Atmospheric
• Investigation
• Realistic
• 3D
• Psychological Horror
• First-Person
• Stealth
• Simulation
• Action-Adventure
• Mystery
• Horror
• Heist
• Cinematic
• Adventure
• Singleplayer

Media & Sceenshots

Watch the featured video for Protocol Nadir and see the latest screenshots from the Steam Store.

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Soures & References

Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.

Protocol Nadir data has been sourced from:

• Valve Corporation. (2025, December 24). Protocol Nadir on Steam. Steam Store.
• Valve Corporation. (2025, December 24). Protocol Nadir. Steam Community Hub.