Buy Liminal Protocol PC Key

Want to pre-order Liminal Protocol? Compare 1 pre-order offers from keyshops and official stores. Secure the best price for Liminal Protocol Steam key before the official release.

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-25%
A$3.18
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Official Stores (1)

DRM:
Steam
Steam
Steam
Liminal Protocol
Windows
1d ago
DRM:
Steam
Steam
A$4.25 A$3.18
Historical Low Deal
Historical low
-25%

About Liminal Protocol

Liminal Protocol - about the game
RESTRICTED SIGNAL DETECTED: PROJECTING INTO SECTOR 7

STATUS BRIEFING (LP-MAN-1993-S7):

On January 12, 1993, the carrier-wave quantum reactor inside Sector 7 went critical. The physical facility, its steel superstructures, and the onsite staff didn't explode—they experienced a spatial phase-shift, melting down and compressing into a monospaced digital grid. The steel, concrete, and the very air itself now exist only as ASCII coordinates.

The criticality ruptured the dimensional boundary, opening a direct corridor to the Backrooms—a liminal, endless labyrinth existing behind the fabric of consensus reality. Anomalies are bleeding through these tears, migrating directly into our monospace coordinate grid.

Project your consciousness via the T-Link Neural Bridge from a cryogenic isolation tank into this glitched, collapsing spatial lattice. Calibrate the terminals, lock onto carrier frequencies, and escape before your synaptic link collapses.

OPERATIONAL PROTOCOLS (GAME MODES)

Solo Protocol (Single-Player Hacking & Survival)

Deploy on sequential runs into the grid to salvage logs and acquire persistent upgrades.

  • The Decryption Loop: The Escape Bulkhead Hatch is locked by an alphabetical passcode. Locate Clue Terminals and hack the consoles (or use Bypass Keys) to reveal the password letters. Enter the password at the hatch to escape.

  • Persistent Upgrades: Spend XP between runs to upgrade your digitized containment suit across 8 categories, including battery capacity, sanity dampening, movement speed, decryption hacking speed, and cognitive shield capacity.

  • Emergency Credit Shop: Collect Data Cores and logs for credits, then spend them at Wall CRT Terminals for emergency consumables: battery refills, sanity pills, decoys, bypass keys, and shield boosters.

Infinitum Protocol (Endless Compression)

Survive in a recursively generated, endless layout under active structural decay.

  • Core Quota: Collect the required amount of Data Cores on each floor to unlock the escape hatch.

  • Cascade Failure: Floor stability decays continuously (0.3% * floor per second). At 0% stability, a cascade failure triggers: anomalies accelerate to high speed and sanity drains continuously.

  • Environmental Hazards: Navigate Pitch Black Zones (no radar scans, 2.5x sanity decay) and Radar Jamming Fields (blocks the HUD schematic map).

Multiplayer Sync Protocol (Steam P2P Co-op)

  • Matchmaking: Host private lobbies or join public matches using SteamWorks P2P matchmaking.

  • Cooperate to Survive: Team up with up to 4 players. Coordinate calibrations—one player can gaze-lock entities while others secure the nodes.

  • Leaderboards: Upload survival times and endless mode scores directly to Steam.

T-LINK CONTAINMENT SUIT BIOMETRICS
  • Flashlight Power: Toggle your flashlight (F) to see, but keep in mind it drains battery and hostiles can track the light beam footprint.

  • Psychic Aegis: A cognitive shield absorbs 90% of incoming sanity damage. It regenerates up to 50% near safe light sources (beacons, tube lights). If depleted to 0%, you take full sanity damage.

  • Sub-Space Decoys: Deploy decoys (Q) to distract nearby anomalies within a 12-cell radius.

  • Synaptic Collapse: Proximity to anomalies and total darkness drains sanity. If sanity hits 0%, the link snaps, resulting in immediate brain death.

THE ANOMALIES
  • Anomaly-01: The Seeker (Red Static Waveform): Freezes in place when looked at directly. Turn your back or look away, and it closes the distance at hyper-speed. Back away slowly while keeping eye contact.

  • Stalker Drone (S-DRN): Corrupted security sentinels immune to gaze. They patrol corridors with radar sweeps. If spotted, toggle your flashlight off to lower your footprint, break line-of-sight, and run.

  • Entity-03: SCP-096 ("The Shy Guy"): Humanoid anomaly that wanders slowly. Looking at its face triggers a 3.5-second scream (causing screen distortion), followed by a 15-second rage where it chases you at high speed.

CUSTOM RETRO TECH
  • Custom WebGL ASCII Raycaster: Renders the entire game world as a real-time grid of monospaced ASCII characters. Lighting, shadows, and depth shading are calculated on the GPU for high performance and authentic CRT style.

EARLY ACCESS ROADMAP

Future updates will include:

  • Deep-Grid Sectors: New maps representing the digitized remnants of the reactor core.

  • More Anomalies: Additional entities escaping from the Backrooms with unique AI behaviors.

  • Breach Modifiers: Unstable reality settings that alter physics, visibility, and entity speed.

  • Steam Achievements: Unlockable achievements for progression milestones and co-op extraction.

Age rating

Unavailable
Historical low
Price history from official stores
A$3.18
Steam
yesterday
Price history from keyshops
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FAQ

8 questions
Q

Where to buy a cheap Liminal Protocol Steam key or CD key?

Using our price comparison and verified discount codes, you can buy a Liminal Protocol key for as low as A$3.18. This deal is available at Steam and is among the cheapest offers on the market. All keys listed on XD.deals are delivered digitally and eligible for instant download after payment. Prices already include processing fees and applied promo codes, so you always see the lowest Liminal Protocol price on PC. Check the Liminal Protocol price history to buy at the best moment.

As of our last update (we refresh Steam pricing multiple times a day), the Liminal Protocol Steam price is A$3.18. You can save an extra ~6% by paying with a discounted Steam gift card.

Our price tracker covers both official retailers and key marketplaces, so you can find Liminal Protocol on sale even outside seasonal promotions. We currently detect 1 active offer from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, Liminal Protocol is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

Yes. Liminal Protocol has an official page on the Steam Store. You can also buy a Liminal Protocol Steam key from third-party sellers. Our price comparison currently includes 1 offer with Steam DRM. Pick one to ensure your Liminal Protocol download happens on Valve's platform.

Not at this time. Valve marks Liminal Protocol as Unsupported on Steam Deck. Keep an eye on XD.deals - we track Proton updates and community fixes. Browse games that are Steam Deck Verified or Steam Deck Playable.

Liminal Protocol does not appear to be available on PC Game Pass, EA Play, Ubisoft+ or any other PC subscription service at this time. Your only option is purchasing the game - use XD.deals to find the best price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best Liminal Protocol deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

Best prices for Liminal Protocol

1 Steam Steam Official
-25% A$3.18

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