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16 Sep 2026
| Published | Title | Build |
|---|---|---|
| 🔧 Spectral Protocol – Development Update #12 Improvements · Added a new objective HUD notification for Level 10. · Updated the Level 12 objective description to better reflect the actual objective. · Replaced several unnecessary interactive doors with static doors to reduce confusion and prevent players from getting lost in non-essential rooms. · Added a post-trap death protection system to prevent unintended consecutive deaths. · Added i… | 23789042 | |
| 🧪 Spectral Protocol – Patch Notes (Major Update) #11major Over the past few weeks, development has focused on introducing a brand-new underground metro level, new enemy encounters, major multiplayer improvements, gameplay refinements, and overall stability enhancements as Spectral Protocol prepares for its upcoming public playtest. New Features New Cooperative Revive System · Added a complete cooperative revive system. · Downed players can now be revi… | 23643757 | |
| 🔧 Spectral Protocol – Development Update #10 🎨 Visuals & Immersion · Added a new 3D background scene to the main menu for improved immersion · Improved the main menu UI for better clarity and style · Realigned various environment props for a more polished look · Updated the "Unstuck" button color for better visibility 🎮 Gameplay & Level Design · Reworked the checkpoint system in Level 5 for smoother gameplay · Increased the difficulty o… | — | |
| Spectral Protocol - Development Update #9 🎮 Gameplay Improvements · Improved controller support for smoother gameplay. · Adjusted the physics of a door so it now behaves more naturally when interacting with it. 👁 Multiplayer & Visibility · Dead players now emit a visible aura that can be seen through walls. This helps surviving teammates locate fallen players more easily during intense moments. 🏆 Achievements Two new achievements ha… | — | |
| Spectral Protocol - Development Update #8major 🔧 Fixes · Fixed an issue where FOV and mouse sensitivity settings were not properly saved · Fixed repetitive door sound triggering continuously · Fixed the radio system : · All players can now interact with it · Radio state now correctly syncs when another player joins the session · Various minor bug fixes and stability improvements ♻️ Improvements & Reworks · Lobby fully renewed for improved… | 21358446 | |
| Spectral Protocol - Development Update #7 This minor update focuses on rewarding your exploration and gameplay with Steam Achievements: · New Steam Achievements: Track your progress and unlock rewards as you complete different challenges. · Bug fixes & improvements: Minor tweaks to enhance stability and smooth gameplay. · Get ready for more: These achievements are just the start more surprises are coming! Jump back in and see which one… | — | |
| 🔧 Update Demo v0.17 - September Update 🔧 Fixes & Improvements: · Door sound bug (single & double doors) Doors will now play their opening/closing sound only once, restoring immersion and eliminating annoying repeated sounds. · Toilet sound volume reduced The volume of toilet sounds has been lowered to make the environment more comfortable while maintaining realism. · Removed old note system The outdated note system has been removed… | 19468670 | |
| 🛠️ Patch Notes – August Update 🧠 Patch Notes – August Update: Smarter AI & Bug Fixes New Features: · Improved Enemy Awareness: Stone statues now accurately detect and register nearby players via trigger volumes. This ensures more reliable activation and pursuit behavior in multiplayer sessions. · Universal AI Update: All enemy types using the shared logic have been updated to reflect the new detection system. Fixes: · 🛠️ F… | 19468670 | |
| 🛠️ Patch Notes – June Update 🔄 New Feature: Revive System You asked for it, and it’s here. Players can now revive their teammate during certain critical moments. Use this wisely; some things in Spectral Protocol only give you one second chance. ☠️ More Traps – "The Forgotten Dungeon" The dungeon grows more dangerous. Additional traps have been added throughout The Forgotten Dungeon level. Keep your eyes open and your step… | 18822312 | |
| 🧪 New Area Unlocked – Level 12: The Forgotten Dungeon 🕯️major A brand-new section has been added to Spectral Protocol. This time, you’ll descend into a dark, ancient dungeon buried beneath the testing grounds. Heavy stone, distant echoes, and flickering lights set the tone for one of the most atmospheric levels yet. 🗝️ What’s new: A completely new map inspired by gothic catacombs and forgotten temples. Tight corridors, vertical layers, and candlelit hall… | 18720572 | |
| Update v0.32m0.7 Bug Fixes – Fixed an issue where the Settings menu would not open properly after accessing the Audio tab. – Fixed a widget layering issue when opening both the Settings menu and Notes at the same time. – Fixed a bug in the Hospital Level where the enemy would stop chasing the player. Gameplay Balancing – Increased the movement speed of all enemies. – Added more enemies per player to raise the o… | 18375164 |
| Date | Day | Time | Patch title | Build ID | Branch | Depots | Download Δ |
|---|---|---|---|---|---|---|---|
| 6 Sep 2026 | Sun | 19:18 | No patch notes · unannounced build | 25155536 | public | 1 | — |
| 18 Oct 2025 | Sat | 11:29 | No patch notes · unannounced build | 20447180 | public | 1 | — |