Announcement
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!
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Parasite Infection
Also known as Parasite Infection, parasite infection, parasite-infection
Erotic text-based adventure of blue alien women, parasites, and spaceships.
Last update
22 May 2026
Players now
1
Latest update
Update history
Browse past updates and patch notes for this game.
20 updates
March 2024
- Part2 hotfix[Part 2] Changed infestable stores requirements for a female from "having a penis less than 10" to "looking like a female and having a vagina"
- Update r1.34Additions & changes: [Part 3-4] Bridged the transitioning of picked host with infested parasites to be usable in part 4 from part 3 [Cheats->Walkthroughs] Added a small description for those who stuck and want to progre…
February 2024
- Update r1.33Additions & changes: Added part picker to the title screen directly [Part 5] Added option during night phase “Masturbate close to someone” that can be used if host has a parasite in vagina or penis. The infestation has…
December 2023
- Update r1.32[Part 1] Space button can now be used to progress through most passages [Part 1] ←, ↑, ↓, → button image directions can now be used by pressing the corresponding keyboard buttons [Part 1+] Now “Map” can be closed by pre…
September 2023
- Update r1.31[Part 2+] Fixed incorrect starfish breasts display on naked Chloe when breasts size less than 25 [Part 4-5] Fixed chapter transition error to the 5th from 4th [Part 4] Corrected addition of Malopin to the harem to be co…
- Update r1.3[Part 4] Part 4 is now fully beatable, although there are still portions that are unfinished and some missing artwork. All house characters can be obtained. [Part 4] Added notifications of doing the harvesting action in…
August 2023
- Update r1.27[Part 4+] Fixed bug occurrences when infesting another person with a biosuit [Part 4+] Added the options to transfer/inject biosuits to another character [Part 2] Fixed biosuit wear bug with Amy [Part 2] Added alternate…
July 2023
- Update r1.26 [Part 4] Added alternate instant parasite color mutation menu display [Part 2 art] Added choker variations images for Steve(male) [Part 2 art] Added all parasite color variations for Brett [Part 5] Fixed Cy…Store
May 2023
- Update r1.24[Part 2] Added “journal”(located in the cheats page for now). Added journal entries for the main questline. [Part 4] Added ‘Victoria’ image links [Part 2+] Colored parasite mutation picker moved lower to the mutation se…
March 2023
- [Part 2] During first intro scene after kissing Tracie will now be aware that the MC is infested [Part 1+] Fixed spelling of `mindfuck` act for male targets [Part 1+ art] Fixed missionary sex canal art layering [Part 1+…Store
February 2023
- Update r1.22[Part 1+] Attached parasite fluid mutations quantity usage quantities changed (merged - 10, not merged - 20) [Part 2] `home` passages not existing bugfix [Part 1] Audio error fix on `captured` bad end [Part 1+] “Prefere…
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