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September 17, 2026

Parasite Inside 0.5.0 — Announcement + Changelog

Hello everyone,

Update 0.5.0 is coming soon!

Unlike the previous TEP update, version 0.5.0 continues the main story and adds several new locations, new enemies, a new boss, implants, gameplay systems, puzzles, and more.

Estimated playtime for the new content is around 30–40 minutes.

Important Note About NSFW Content

I want to make this clear before the release: this update contains only one new NSFW cutscene, and it is optional.

Version 0.5.0 is focused much more on the main story, exploration, gameplay, and new mechanics. So if NSFW content is the only reason you support the game, please think twice before supporting specifically for this update.

I prefer to make this clear in advance so everyone knows what to expect from 0.5.0.

Release Dates

  • September 19 — 0.5.0 for Early Access tiers ($10, $15, $25, $50)

  • September 19 — 0.4.5 public release

  • September 29 — 0.5.0 for all paid tiers

Online Verification

The verification key will be available ONLY on Discord in the dedicated #pi-key-verification channel.

To access this channel, your Patreon or SubscribeStar account must be linked to your Discord account. Please make sure to connect it in advance.

The key will NOT be posted here.

Save File Compatibility

Save files from all 0.4.x versions are compatible with version 0.5.0.

Thank you for your continued support — it truly helps me keep moving forward with the project.

— Kodman


Changelog 0.5.0

[Locations]

  • Added a new section of Sector 5 in the Main Laboratories

  • Added a new location — Botanical Wing Sector 1

  • Added a new location — Botanical Wing Sector 2

  • Added part of a new location — Botanical Wing Sector 3

  • Added flooded areas to several locations

  • Added new environmental puzzles

[Enemies]

  • Added a new type of stationary enemy

  • Added a new boss

  • Improved the Spitter with new effects and sounds, and increased its size

  • Reworked the enemy spawning system

[Cutscenes]

  • Added 5 new story cutscenes

  • Added 1 optional NSFW cutscene

  • Updated Oni's animations in the cutscene with the dead ERT operative

  • Added a new respawn scene

[Outfits]

  • Added a new outfit type with 2 variants

  • Fixed visual issues in older outfits caused by incorrect weight painting

[Systems]

  • Completely reworked the Stamina system. It is now frame-rate independent and uses a more universal system

  • Completely reworked the C-Scanner battery system. The battery can now be used not only by the flashlight, but also by implants

  • Added a new system for interaction with water and flooded areas

  • Added Pathfinder as a new default pathfinding feature

[UI]

  • Reworked the FlashBox puzzle interface

  • Updated the RepairPanel puzzle interface

  • Changed the appearance of in-game messages and tutorial hints

[Implants]

  • Reworked the activation of the Adrenaline Modulator V-12. The implant can now be activated with a dedicated key while the player is aiming

  • Added a visual effect for the Adrenaline Modulator V-12

  • Added a new implant — Bioregen

  • Added a new implant — Nox-Vision

  • OxyMax Saturator now provides 50% additional stamina instead of 20%

  • Removed the Pathfinder N-Link implant from the game. If it was installed or collected in a previous version, it will be removed automatically when loading the save

[Audio]

  • Removed the audio click that could occur when starting a new game or loading a save

  • Added new character voice lines

  • Added new music and sound effects for the boss encounter

[Video Gallery]

  • Added 1 new NSFW scene

[Picture Gallery]

  • Added 2 new collectible cards

[Map System]

  • Added new maps for the new locations

[Camera]

  • Added automatic camera centering after loading a game

[Optimization]

  • Completely reworked the lighting in the game locations

[NPC]

  • Added a new NPC

[Settings]

  • Added a Pathfinder key binding to the Controls settings

[Other]

  • Added new decals

  • Added new lore notes

  • Fixed an issue with Oni's sprint activation

  • Rebalanced the difficulty of FlashBox puzzle combinations

  • Rebalanced the difficulty of RepairPanel puzzle combinations