- The New Updated Spectral Protocol Demo is now LIVE! - 8 September 2026
The New Updated Spectral Protocol Demo is now LIVE! After months of development, testing, fixing bugs, and a lot of feedback from the community, the new updated Spectral Protocol Demo is finally available for everyone!This is not the same Demo as before. This new version includes the latest updates, features, improvements, gameplay changes, and content added to Spectral Protocol during the development of the latest build.This also marks the end of the Spectral Protocol Playtest.I want to take a moment to sincerely thank everyone who participated in the Playtest. Whether you played for a few minutes, completed the entire experience, reported a bug, shared your thoughts, or simply took the time to try the game, you helped me improve Spectral Protocol.As a solo developer, having real players experience the game and tell me what works, what doesn't, and what could be improved is incredibly…
- 🎮 Spectral Protocol - Playtest Now Available! - 17 August 2026
If you've been waiting to get your hands on the game, now is the perfect time to jump in and experience Spectral Protocol for yourself.This Playtest is an important step in the development of the game, and your feedback matters. Whether you find bugs, have ideas for new features, think something could be improved, or simply want to share your thoughts about the experience, I want to hear it!💬 Your Feedback Shapes the GameSpectral Protocol is still in development, and I'm looking forward to seeing how players experience the game.Your feedback will help guide future updates, improvements, and potentially even new features and ideas. Don't hesitate to share your thoughts, even if they seem small, they can make a big difference.🚨 The Playtest is Open!The Playtest is available starting today.If you enjoy the experience, please consider sharing your feedback and inviting others to join. The…
- 🔧 Spectral Protocol – Development Update #12 - 17 June 2026
ImprovementsAdded 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 invisible barriers to prevent players from reaching unintended safe zones. Face your fears. 👀Introduced a new Glowstick mechanic, allowing players to mark their path and navigate more efficiently.Added a Glowstick HUD counter displaying the number of remaining glowsticks.Updated Level 11 floor collisions to prevent glowsticks from falling through the map.Removed an outdated note that was still using the previous note system.Added clear confirmation and cancel icons to the keypad interface for improved usability.…
- 🧪 Spectral Protocol – Patch Notes (Major Update) #11 - 10 June 2026
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 FeaturesNew Cooperative Revive SystemAdded a complete cooperative revive system.Downed players can now be revived by teammates instead of immediately respawning.Revived players retain their original character, improving gameplay consistency and multiplayer stability.Revive Progress MechanicReviving now requires holding the interaction key for a short duration.Added a progress bar to provide clear visual feedback during the revive process.Revive interactions can now be interrupted by moving away from the downed player.New Metro Tunnels LevelAdded a brand-new underground metro tunnels environment.Explore dark and…
- 🔧 Spectral Protocol – Development Update #10 - 2 April 2026
🎨 Visuals & ImmersionAdded a new 3D background scene to the main menu for improved immersionImproved the main menu UI for better clarity and styleRealigned various environment props for a more polished lookUpdated the "Unstuck" button color for better visibility🎮 Gameplay & Level DesignReworked the checkpoint system in Level 5 for smoother gameplayIncreased the difficulty of Level 10 (the code is now harder to decipher 👀)Disabled the ability to push your teammate in Level 9 (cause glitches)Increased the volume of an important audio clue in one level⚙️ Settings & Quality of LifeAdded brightness settings with auto-detect on first launchAdded a gamma slider (adjustable in-game)Added an "Auto-Detect" button in graphics settingsFixed an issue where FOV and mouse sensitivity settings were not applied after using the Unstuck functionImproved the "Water Splash" sound with more variation🐞 Bu…
- Spectral Protocol - Development Update #9 - 11 March 2026
🎮 Gameplay ImprovementsImproved controller support for smoother gameplay.Adjusted the physics of a door so it now behaves more naturally when interacting with it.👁 Multiplayer & VisibilityDead players now emit a visible aura that can be seen through walls. This helps surviving teammates locate fallen players more easily during intense moments.🏆 AchievementsTwo new achievements have been added:🔒 A new hidden achievement for players who like to explore and experiment.😄 A fun achievement for those who enjoy discovering unexpected moments in the game.📄 Immersion & World DetailsImproved the Protocol Contract document that players must sign at the beginning of the experiment for better readability.Added new environmental posters and facility advertisements to strengthen the atmosphere.🔊 Level ImprovementsAdjusted the position of a sound in Level 10 to improve immersion and environmenta…
- Spectral Protocol - Development Update #8 - 1 January 2026
🔧 FixesFixed an issue where FOV and mouse sensitivity settings were not properly savedFixed repetitive door sound triggering continuouslyFixed the radio system:All players can now interact with itRadio state now correctly syncs when another player joins the sessionVarious minor bug fixes and stability improvements♻️ Improvements & ReworksLobby fully renewed for improved atmosphere and immersionSettings UI fully renewed for better readability and usabilityRemoved the keybindings tab (The control system will be reworked in a future update) ✨ New Features & ContentAdded a controls tutorial pop-up to help new test subjectsAdded a new voice lineAdded skin color customizationAdded 2 new achievementsAdded new traps in Level 12Added a new section to Level 10 to extend the experienceAdded a new tractor beam in Level 11Added new ambient sounds to enhance immersion
- Spectral Protocol - Development Update #7 - 18 September 2025
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 ones you can unlock. Can you collect them all?
- 🔧 Update Demo v0.17 - September Update - 12 September 2025
🔧 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 to streamline gameplay and reduce clutter.Collision on a shelf A shelf now has proper collision, preventing players from accidentally clipping through it and improving level navigation.➕ Added:Vending Machine A new interactive vending machine has been added. It enriches the environment and lays the groundwork for more interactive props and mechanics in future updates.Objective notification in the Library Level Players now receive clear objective notifications when progressing through the Library Level, ma…
- Spectral Protocol - Demo is Out Now! - 9 September 2025
We’re excited to announce that the Spectral Protocol Demo is now live! Enter the first stages of the experiment, uncover the atmosphere of dread, and test your survival skills in both solo and co-op mode.This demo will give you a first taste of what awaits:👥 Play solo or with a friend in 2-player co-op🌌 Experience eerie environments filled with tension👻 Encounter unsettling entities lurking in the shadows⚡ Don’t forget to wishlist Spectral Protocol to stay updated on the full release !
- 🛠️ Patch Notes – August Update - 4 August 2025
🧠 Patch Notes – August Update: Smarter AI & Bug FixesNew 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:🛠️ Fixed an issue where some enemies failed to register overlapping players due to cast errors in the Level Blueprint.🛠️ Optimized trigger communication between level scripts and AI Blueprints to prevent silent failures.🛠️ Minor cleanup and performance improvements in enemy behavior scripts.Dev Note: This update focuses on improving enemy responsiveness and reliability in co-op scenarios. Expect more polish and creepier AI behavior coming soon 👀
- 🛠️ Patch Notes – June Update - 11 June 2025
🔄 New Feature: Revive SystemYou 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 steps precise — one wrong move can be your last.👣 Monster AI Navigation Fix – "The Forgotten Dungeon"The creature that stalks the dungeon has received improved pathfinding. It’s faster, smarter, and more relentless. If you thought you were safe before... think again.🛠️ Bug Fix: Stubborn DoorA critical issue where a certain door refused to open has been resolved. Your path is now clear… though you may wish it wasn’t. Let us know what you think and keep sending your feedback. More updates are coming soon…
- 🧪 New Area Unlocked – Level 12: The Forgotten Dungeon 🕯️ - 3 June 2025
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 halls await. Your objective: find and activate four hidden levers to unlock the exit. But something else is wandering these halls… Designed for duo play. Cooperation is key to survive and escape. Fully optimized with improved distance culling for smoother performance and deeper immersion. ⚠️ Don’t trust the silence. In this place, it listens.
- Update v0.32m0.7 - 7 May 2025
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 overall challenge. New Mechanics – Introduced a flashlight battery system. – Added new UI elements for stamina and flashlight battery.
