Here's the full post from the Patreon:
Parasite Inside 0.4.0 Announcement + Changelog
Hello everyone,
I was debating whether to publish a classic Dev Report today, but I think it makes much more sense to focus entirely on Update 0.4.0 and walk you through the full list of changes.
In a way, this is a Dev Report — just a much clearer one. This should help you decide whether you want to become a paid supporter for this update or not.
Release Dates
• 06.12.2025 — Early Access tiers ($10, $15, $25, $50)
• 16.12.2025 — All paid tiers
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
[Video Gallery]
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)