Parasite Inside v0.4.0 — Early Access Release

06/12/2025 · Release · Parasite Inside

Hi everyone! Update 0.4.0 for Parasite Inside is now available for subscribers with Early Access on Patreon[www.patreon.com] and SubscribeStar[subscribestar.adult].

Online Verification

To protect the game from leaks, Update 0.4.0 introduces online verification.
You will need an internet connection when entering your verification key.

The key will be available:
• In the update release post on Patreon and SubscribeStar
• In the private Discord channel accessible for the required tiers

Keys are automatically refreshed on a regular basis.

Save files from previous versions (0.3.x) won’t be compatible with Update 0.4.0 due to extensive changes to locations and core systems. You will need to start a new game.

Changelog 0.4.0

\[Locations]

  • Crew Tier – Corridor environment meshes redesigned

  • Crew Tier – Living quarters meshes redesigned

  • Crew Tier – Cryosleep preparation room visually updated

  • Crew Tier – Added a new laboratory storage room

  • Crew Tier – Cafeteria redesigned

  • Crew Tier – Captain’s quarters redesigned with new elements

  • Crew Tier – Gym redesigned

  • Crew Tier – Pre-Airlock room redesigned

  • Crew Tier – Transition to Loading Docks redesigned

  • Crew Tier – Crew stasis room redesigned

  • Loading Docks – Transition to Crew Tier updated

  • Loading Docks – Main corridor redesigned

  • Loading Docks – Safe Room redesigned

  • Loading Docks – Added new environment elements

  • Loading Docks – Transition to Animal Stasis Labs redesigned

  • Animal Stasis Labs – Multitool now found in the storage room where Oni wakes up

  • Animal Stasis Labs – Ventilation shafts redesigned in transitions

  • Animal Stasis Labs – Transition to Workshops S6 redesigned

  • Workshops S6 – Main corridor redesigned (removed unnecessary doors)

  • Workshops S6 – Large room with side ramp removed

  • Workshops S6 – Added a new large storage area

  • Workshops S7 – Transition to Workshops S8 redesigned

  • Workshops S8 – Transition to Sector 9 redesigned (shortened)

  • Workshops S8 – Second door transition to Sector 9 now blocked

  • Workshops S9 – Transition to Sector 6 redesigned

  • Workshops S9 – Corridor doors now functional; no need to detour through Warehouse LTW-S9-03

  • Workshops S9 – Transition to Main Labs redesigned

  • Main Labs S1 – Transition to Main Labs S2 redesigned

  • Service Tier S1 – Transition to Service Tier S2 redesigned

  • Service Tier S2 – Distribution room moved to the center of the location

  • AstroLink S2 – Safe Room relocated to the start of the main corridor

  • AstroLink S2 – Lotus awakening puzzle removed

  • AstroLink S2 – Transition to Lotus area redesigned

  • AstroLink S2 – Reactor lift speed puzzle redesigned

  • AstroLink S2 – Respawn removed (no longer needed)

  • COLOS-8 – Entire ship model recreated from scratch (more detailed + better optimized)

  • COLOS-8 – New engine VFX

  • TEP – Added initial location for The Evolution Path (two rooms)

  • All locations – Cryopod meshes redesigned

  • All locations – Furniture redesigned

  • All locations – Modular beds redesigned

  • All locations – Added new bathroom environment elements

  • All locations – Added new ventilation shaft elements

  • All locations – Added new biomass mesh types

  • All locations – All doors redesigned and optimized

  • All locations – Added moving body parts in infected zones

\[Enemies]

  • Sporepop – Now deals one-time physical damage on explosion + applies infection

  • Sporepop – Explosion now contaminates Oni’s body

  • Spreader – Now deals one-time physical damage on explosion + applies infection

  • Spreader – Explosion now contaminates Oni’s body

  • Spreader – Movement speed reduced

  • Spreader – Respawn chance reduced

  • Burgeon – All animations reworked (+ added censored variants)

  • Burgeon – Added censored body mesh variants

  • Larva – Redesigned (two types)

  • Spitter – New enemy added (mesh, mechanics, animations, sounds, VFX)

  • Hanger – New enemy added (mesh, mechanics, combat system, animations, sounds, VFX)

  • Lotus – Enemy reworked (mechanics, animations, sounds, VFX)

  • Lotus – Body mesh redesigned (+ censored variant added)

\[Cutscenes]

  • System – Cutscene loading system fully reworked; all assets load before playback starts

  • System – Pause added during cutscenes

  • System – Subtitles remain visible while paused

  • System – Option to disable blur effect during cutscenes

  • Comments – Some short cutscenes replaced with Oni’s gameplay comments to maintain flow

  • Cutscenes – Lip-sync reworked for all dialogues

  • Cutscenes – Almost all cutscenes restructured for better pacing and segmentation

  • 18+ Cutscenes – All adult cutscenes now have SFW alternatives (unique animations + voice lines)

  • Dialogues – All cutscene dialogues rewritten and polished

  • SiXy – Added sfw body version

\[The Evolution Path (TEP)]

  • Merger – System similar to save terminal/gallery (in progress)

  • Merger – New mesh and animations

  • Merger – Unique UI

  • TEP – Unique interaction widget added

  • TEP – New door type added

  • TEP – Pregnancy system added

  • TEP – Six new cutscenes added

  • TEP – New status/concentration system (quest points, VFX, sound)

\[Systems]

  • Censored Mode – Added option to start the game in censored mode

  • Level streaming – Fully redesigned to avoid runtime stutters; loads during low-load moments

  • Loadscreen – Custom loading screen system created (replacing Async Loadscreen plugin)

  • QTE – Added UI-based struggle system

  • Save System – Save slots now show extra info (game version, censored mode, TEP)

\[Character]

  • Flashlight – C-Scanner flashlight reworked, now directional

  • Moveset – New movement animations with flashlight

  • New outfit – Stasis Suit added (two variants)

  • New outfit – AstroSport Suit added (three variants)

  • Body contamination – Added visual contamination from spores/fluids

  • Infection – System reworked; proximity to spores increases infection faster

  • Infection – Showers now remove only surface infection + clean contamination

  • Infection – Stationary MedKits remove internal infection but not body contamination

  • Mental Health – Respawning from infection now lowers Oni’s mental health

  • Mental Health – At zero mental health, Oni wakes in a new area and TEP storyline begins

  • Customization – Oni cannot use customization while contaminated

  • Customization – New outfits found while contaminated go to wardrobe instead of auto-equip

  • Animations – Infection animation replaced (4 new variants)

\[Light]

  • All lights – Added unique color tones based on location atmosphere

  • All lights – Volumetric scattering optimized

  • All lights – Light materials rebuilt for accurate emission

  • Lighting system – Switched from Lumen to baked lighting

\[Audio]

  • TEP doors – Unique opening sound added

  • Dialogues – All AI-generated lines replaced with real voice acting

  • Ambience – New ambient sounds added

  • Dialogues – Dialogue volume balance fixed

\[/b][/p]

  • Scene loading – New gallery system to avoid partial loading; cutscenes start only after full load

  • Camera – Loopable scenes now have a free camera; normal cutscenes use fixed camera

  • Lighting – Added flashlight to gallery camera

  • UI – Updated interface for the new camera mode

\[Picture Gallery]

  • Art – All AI images replaced with fully hand-drawn artwork

  • Collections – Cards now separated into themed collections

  • SFW – SFW variants added for censored mode

  • Locations – Many card locations changed

\[Map System]

  • New map – Added Service Tier Sector 1 map

  • New map – Added Service Tier Sector 2 map

  • Compact Map Station – New map stations added

  • Player Marker – Player position now shown on the map (M)

  • Animations – Added UI animations

  • Maps – All maps updated to match redesigned locations

  • Key elements – Added icons for showers, terminals, implant beds

  • Emergency corridors – Now displayed on the map

  • UI – Active map button now becomes inactive while the map is open

\[Shower System]

  • Camera – Free camera added

  • Lighting – Added flashlight to camera

  • UI – Interface updated

  • Animations – Improved old animations and added new ones

  • Infection level – Different animation sets depending on infection level

  • Censored – Censored shower variant added

\[Optimization]

  • Decals – Reduced number of decal instances

  • Decals – Reduced decal texture sizes/resolution

  • Shaders – Shader count reduced by nearly 50%

  • VFX – All particle systems optimized

\[Other]

  • Crosshair – More visible and sharper

  • Glass materials – Improved glass shader

  • Bugs – Numerous bug fixes (not listed individually)