Steam

V.A.U.L.T. PROTOCOL

Also known as 5aultp, V.A.U.L.T. PROTOCOL, steam:4178200

A 6-player co-op horror game where you loot valuable relics from nuclear wastelands to satisfy the perfect AI, KUT-ANA. Survive deadly anomalies and evacuate before you’re recycled.

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Last update

25 Jun 2026

Original sources

Latest update

Patch notesPublished 3d ago

Kut-Ana Voice Logs #2: Sector Instability

SYSTEM BOOT SEQUENCE... CONNECTION ESTABLISHED The Next Fest simulation cycle is complete. The registration of 10,000 new Operators into the system database has been verified. The 'gratitude' protocol has been activated…

4 changesServerWorkshop

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Latest updates

Update history

Browse past updates and patch notes for this game.

12updates

June 2026
Operators, We've released a new update for the V.A.U.L.T. PROTOCOL demo. This patch focuses on UI fixes, localization improvements, and overall system stability. Patch Notes UI improvements for the registration screen L…9 changesFixServerPatch notes6d ago
Operators, We’ve released a new update for the V.A.U.L.T. PROTOCOL demo. This patch focuses on UI system reworks, improved visual readability, clearer gameplay interactions, bug fixes, and overall polish. We’ve also mad…10 changesFixServerPatch notes12d ago
🚨 Explore the ruins, recover valuable assets, survive deadly anomalies, and meet KUT-ANA's quota before it's too late. 🔸 V.A.U.L.T. PROTOCOL DEMO has been selected for Steam Next Fest. 🔸 Steam Next Fest: June 15 – Ju…2 changesServerPatch notes13d ago
Vault Protocol Demo Reaches 5,000 Lifetime Downloads 🚀We’re excited to share that the Vault Protocol Demo has reached 5,000 lifetime downloads since release 🚀 Thank you to everyone who has tried the demo, supported us, and shared feedback along the way. It really means a…Announcement1 changeServer18d ago
Operators, We’ve just released a new demo update for V.A.U.L.T. PROTOCOL. This patch focuses on fixing several gameplay issues reported by players, improving localization, making the lobby flow more stable, and polishin…20 changesFixServerPatch notes20d ago
May 2026
SYSTEM BOOT SEQUENCE... CONNECTION ESTABLISHED " Operators. KUT-ANA's algorithms are online. Your mission to rebuild the world begins now. Estimated survival rate: 4.2%.." This is a direct broadcast from the central man…2 changesFixPerformancePatch notes27d ago
V.A.U.L.T. PROTOCOL Demo Is Now LiveThe V.A.U.L.T. PROTOCOL Demo is officially available on Steam. Enter the ruins of a world reset by the perfect AI, KUT-ANA. Gather your squad, descend into dangerous nuclear wastelands, recover valuable relics, and extr…Event6 changesServerMaps26 May 2026
Hey everyone! We’re really happy to share that we will be working with Kiki Games for the publishing of our game V.A.U.L.T. PROTOCOL It’s a 1–6 player co-op horror extraction game where you and your team enter dangerous…4 changesServerStore25 May 2026
Hello Operators, We have released a new update for Vault Protocol. The main goal of this update was to make the co-op experience more stable, clean up issues that disrupted the gameplay flow, and provide players with a…53 changesFixServerStore12 May 2026
March 2026
Hello operatives. We've been hard at work inside the vault again. Some things got deadlier, some things got cheaper, and a lot of things got fixed. This update brings new threats, new weapons, a redesigned main menu, le…32 changesFixGameplayStore16 Mar 2026
February 2026
Vault Protocol – First Playable Beta Now Available!Hello V.A.U.L.T. Protocol team and supporters, We are excited to share the first playable beta version of Vault Protocol, a project we have been working on for a long time. This build has been prepared to test the core…Announcement12 changesServerCompatibility16 Feb 2026

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