The Outlast Trials update 1.45 is available to download on PS4 and PS5(version 1.000.042). According to the official The Outlast Trials patch notes, Season 5 introduces Prime Asset Liliya Bogomolova, the new Trial Despoil the Auction, and the Winter Kills event with Permafrost hazards. Invasion mode receives major balance changes, stamina tuning, anti-stalling rules, and ranking rewards. Apart from this, The Outlast Trials patch 1.45 also add new cosmetics, while store updates, new tasks, expanded trial rotations, and system fixes.
The Outlast Trials Update 1.000.042 Patch Notes – December 9, 2025
Summary of Key Changes
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New Prime Asset Liliya Bogomolova and new Trial Despoil the Auction introduced.
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Winter Kills limited-time event adds Permafrost, Frost Mines, and gift collection mechanics.
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Invasion mode receives major stamina, speed, objective, and anti-stalling updates.
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New Deluxe Catalog Project Messiah and Event Catalog Winter Kills available.
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Store refreshed with new outfits and catalog access.
Season 5 Patch Notes: PROJECT MESSIAH
Prime Asset Update: Liliya Bogomolova
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Liliya Bogomolova becomes the newest Prime Asset.
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Stalks among mannequins and uses long-reach ambush attacks.
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Brutal strikes immobilize Reagents, forcing survival struggles.
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Relocates stealthily to set up ambush opportunities.
New Trial
Despoil the Auction
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Players disrupt a human auction by sabotaging the lot from within.
New MK-Challenges
Fabricate the Scandal
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Shape evidence to craft an appealing narrative and expose constructed crimes.
Seize the Narcotics
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Locate narcotics to break oppressive control systems and regain autonomy.
New Deluxe Catalog
Project Messiah
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10 pages of exclusive cosmetics now available.
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Unlockable via Murkoff Coins.
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Stamps earned from Trials and Tasks unlock catalog items.
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Catalog remains permanently available.
Limited-Time Event
Winter Kills
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Hostile environment event featuring extreme cold and bonus rewards.
Event Variators
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Permafrost: Trials occur in permanent freezing temperatures; heat sources required.
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Frost Mines: Gas Mines replaced with frost variants.
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Collect the Gifts: Extra rewards granted for gift collection.
Schedule
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Part 1: Dec 9, 2025 – Dec 23, 2025
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Part 2: Dec 23, 2025 – Jan 6, 2026
Limited-Time Event Catalog
Winter Kills Catalog
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Unlock cosmetics using Event Tokens.
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Free access during event; tokens expire afterward.
- Catalog vaulted post-event, later purchasable with Murkoff Coins depending on progress.
Murkoff Store Update
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11 new Deluxe Outfits added.
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Event Catalog Prime Time (2025) now purchasable.
Invasion: Experimental Therapy Update
Menu & System Improvements
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Invasion menu revamped to highlight Quick Play and Rank display.
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Quick Play alternates Reagent and Imposter roles.
Imposter Objective Update
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Imposters now focus on hurting Reagents, not eliminating them.
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Imposter grade visible in HUD with dynamic updates.
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High scores possible even if Reagents complete Trials.
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Disruption, not kills, defines performance.
Objective & Anti-Stalling Changes
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High-tier Trials require completion of a random secondary objective before exiting.
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Anti-stalling rules electrocute inactive Reagents.
Door Interaction Updates
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Door reactions made consistent when slammed.
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Shuttle doors auto-open when one Reagent remains.
Fixes
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Corrected missing speed/stamina boost on successful counter.
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Fixed stamina regen starting too early during kill animations.
Imposter Balancing
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Knife miss stamina cost: 10 (was 20).
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Stab Hit stamina: 25 (was 50).
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Stab Kill stamina: 25 (was 50).
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Execution stamina: 25 (was 50).
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Reduced stamina drain while running; longer sprinting.
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Increased base walk speed and charged-knife walk speed.
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Imposters now have 2 lives (initial + one respawn).
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ExPops aggression reworked to increase danger.
Reagent Balancing
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Brick stamina damage: 25 (was 50).
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Stun stamina damage: 25 (was 50).
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Blind Mine stamina damage: 25 (was 100).
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Blind Mine reaction: Heavy long (was Severe).
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Heal (poison upgrade) stamina damage: 25 (was 50).
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Heal (poison upgrade) reaction: Light (was Medium).
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No changes to Ex-Pops.
Invasion Seasonal Rankings
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New ranking system with rewards for both Reagents and Imposters.
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Rank increases through completed matches.
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Grade determines Rank Points.
Upcoming Event
Flashback Therapy
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Early 2026 rerun of past event experiences:
Jaeger Onboarding, Under Surveillance, Deep Burn, Toxic Shock, Countdown. -
All related Catalogs available in Collections.
Twitch Drops
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Event runs Dec 9, 2025 – Jan 6, 2026.
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Watch participating streams to earn cosmetics.
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Items claimable via Twitch Drops Inventory once watch time met.
Additions, Fixes & Balancing
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New Sleep Room minigame tasks added.
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Dozens of new Featured Trial Maker trials added.
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Trial grade rewards increased.
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Event Tokens now rewarded to Imposters post-invasion.
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Store now allows equipping claimed items directly.
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Fixed Imposter name display issue in camera perspective.
Previously, the Outlast trials update 1.28 introduced the high-intensity PRIME TIME event, new MK-Challenges, a complete Genesis Program revamp, and a streamlined matchmaking system. Unfortunately, since the release, some players are reporting issues, bugs and error codes. Today’s The Outlast Trials patch 1.45 will address all these issues.
Download free The Outlast Trials update 1.45 on PlayStation 4 and PlayStation 5.
