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Parasite Infection

Adult Only · 18+

Parasite Infection

Erotic text-based adventure of blue alien women, parasites, and spaceships.

Released Sep 1, 2021 Developer Light Dark Deviant Platforms Windows
View on Steam ↗ $7.99 (US · as of 2026-09-28)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-28.

76.4%positive144 reviews
Recommended · 0 found this helpful

“A simplistic text based game that explores parasite/infestation kinks. Become infected and infect those around you (try not to get caught)! There's some artwork to help with visualization, the writing is decent enough. It's neat that there's educative bits you can find about IRL…”

— a player, Steam review · 6 hrs played
Not recommended · 7 found this helpful

“pretty barebones and boring abandonware. reading some of the other reviews it sounds like the dev has gone all in on ai and is remaking the game(?) with that so double ew”

— a player, Steam review · 0 hrs played
Not recommended · 1 found this helpful

“its a ok game but its not finish and the dev is already working on the sequel... so if you like buying half done stuff then go for it if not well why giving money to a dev that cant finish its games? - Story is ok - Art is ok but unfinished (Many missing asset for parasite and…”

— a player, Steam review · 53 hrs played
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Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Jul 22, 2025
Updated to the latest version of PI1

Sorry about that! The steam version has been updated to the latest version of Parasite Infection (r1.36) Lots of small bugfixes!

Mar 23, 2024
Part2 hotfix

Changed infestable stores requirements for a female from "having a penis less than 10" to "looking like a female and having a vagina"

Mar 03, 2024
Update r1.34

Additions & changes: Bridged the transitioning of picked host with infested parasites to be usable in part 4 from part 3 Added a small description for those who stuck and want to progress from part 4

Feb 06, 2024
Update r1.33

Additions & changes: Added part picker to the title screen directly Added option during night phase “Masturbate close to someone” that can be used if host has a parasite in vagina or penis. The infest

Dec 17, 2023
Update r1.32

Space button can now be used to progress through most passages ←, ↑, ↓, → button image directions can now be used by pressing the corresponding keyboard buttons Now “Map” can be closed by pressing the

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-28.

GenresSimulation
FeaturesSingle-player · Family Sharing
LanguagesEnglish
Minimum system requirements (PC)

Minimum: OS: Windows 10 Processor: Intel Core i3-330M or better Memory: 8 GB RAM Graphics: Intel(R) UHD Graphics 630 or better DirectX: Version 11 Storage: 500 MB available space