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Project Hivemind [R2.1] [Karatus]
Project Hivemind is an adult interactive fiction game where you play as a lab-grown parasite that escapes a research facility. Infest new hosts, unlock skills and acquire power while trying to build a solid nest while trying not to draw too much attention
Obeserve, control and manipulate the actions of your targets and try to harvest as much biomass as possible to grow and become more powerful.
Strangely it seems that sexual acts between humans yield the most gains for your growth strategy
futa and sissification content are avoidable
Thread Updated: 2026-06-25
Release Date: 2026-06-25
Censored: No
Version: 2.1
OS: Window, Linux, Mac
Language: English
Genre:
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Ai Cg, Anal Sex, Ahegao, Bdsm, Cheating, Corruption, Creampie, Dilf, Exhibitionism, Female domination, Footjob, Futa/Trans, Group sex, Groping, Handjob, Harem, Humiliation, Incest
Interracial, Lesbian, Masturbation, Milf, Multiple Penetration, Oral Sex, Sex Toys, Sissification, Sleep Sex, Stripping, Tentacles, Teasing, Titfuck, Trap, Vaginal sex, Voyeurism, Horror, Twins, Paranormal, Possession
Installation:
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1. Extract and run.
Changelog:
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This update adds new scenes to the Lab Vessel route, a big wave of Hoffman household content, the first tease of a route still to come, a full journal overhaul, and modding support.
New Bowen Scenes — Lab Vessel Route
Lots of new Tom Bowen scenes after his shatter, now he will actually reflect if you did shatter him in a way or another, bring him clubbing, talk to him at the lab or go out on the evening with him to test it out! Check also what happens in the morning if he ends up sleeping in your bed
New Hoffman Family Content – Symbiotic route
A large batch of new material across the whole household — multiple new events and explicit scenes spanning Karen, Dale, the twins, and Jess, plus new route beats and an expanded symbiotic-route finale. That’s thousands of words of new prose and a stack of new images and videos to find. Also, check out the expanded ending!
Journal Rework
The Hoffman family journal is now a proper scene collector. Every scene you reach becomes a card, route-locked content you can’t reach on this playthrough can be unlocked with skill points, and each entry has its own recap with all of its art. *(Still a work in progress — expect a few rough edges, flagged in-game.)*
Mod Support
Project Hivemind now ships with a modding runtime: custom events and content can be loaded as mods, with a companion **Mod Studio** for building and test-driving your own. Jump on discord if you need any help with modding or simply if you want to try it out!
Bugfixing Hopefully all the reported bugs are fixed, also new bugs joined in the party (probably)
Rewriting:
Dropped a lot of the AI generated text that was lingering over in the symbiotic route and rewrote it, around 80% of the passages that used AI written text were rewritten
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Lab Vessel Route V 2.0
New content
Literally a whole new chapter is out with 60+ new scenes
– A whole new branch! New chapter 2 branch, find a way to infest Dr. Elena Chen in the lab and see the world from her eyes
– New Vessel skill tree mechanic, now the skill tree is different if on symbiotic route or in lab vessel route, you will find only 2 skill trees until a route gets set
– New hooks for chapter 3, and a little expansion for the initial scenes adding up some more passages for future chapter hooks
– Rewrote a lot of passages, should be smoother to read now
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Symbiotic Route V 1.5
New content
– New Megan Slut + Jess Punk routes with full progression chains, dream walks, kink crystallisation, and NSFW scenes
– All non-Dale route chains rewritten end-to-end: Karen Liberation/Dominant 1-3, Ryan Feminization/FamilySeeker 1-3, Megan Marcus 1-3, Jess Breakdown 1-3
– New Pair-Lockdown system — dog forces two family members into one room while spores saturate. 4 canonical rooms (Karen+Megan kitchen, Karen+Ryan bathroom, Jess+Megan bedroom, Dale+Jess basement) with tier-2 + tier-3 explicit cross-member scenes
– Reworked Gecko Chameleon Skin → Egg Laying: with 4 external-nest scenes
– New Hormonal Override Jess scene with punk variant
– New Bio Architect punk variant scene
– New Free Use content — new free use triggerable in the house, different events for different routes combos
– New cat-stalk events: Megan/Jess new routes content
– New Jess×Ryan scene (4 variants based on route combos)
– New observe the family variants
Quality of life
– Changed images from png to webp do have an accessible file size
– Cheat menu: disable-RNG sub-toggle + mail-intercept disabled-mode fix
– Hub navigation refactor: hallway merge + persistent Network nav-card
– Emotional Manipulation menu redesigned — 8 route-tagged options with per-target link handlers
– Save migration auto-renames chameleon_skin → egg_laying on old saves on rest
– Added Harvest all biomass link in network hub to avoid switching to every host, available if you have seamless transfer
– Distributed Awareness now lets you see actions normally not available on current host
– Added quick switch in operations tab
– Added cards for network and upstairs shortcut
Bug fixes
– Failed operations no longer trigger cooldowns — 7 fail passages were locking the player out for a full week without benefit
– Cat-stalk biomass deduplication — multi-kink branches now actually award stacked rewards instead of silently dropping the second
– Lab suspicion: bite + restricted-wing one-time gates (was stacking past 10)
– SP awards no longer become unearnable after save-load
– Paragraph rendering: Fixed many line breaks not working correctly
– Journal: profile pages show all crystallised kinks (previously displayed only the first)
– Journal: Facility Intel now completable via new delve beat
– a lot of small bugs and prose rewritten throughout the gameSee More
V 1.0
First Release
Developer Notes:
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Really excited to share with you the 2.1 release, it involves a lot of content and I made the code public so everyone can contribute, drop in the discord if you’re interested in it, also the game now supports mods!
Moving forward the 2.2 there will be more fine tuning of the hoffman family, finishing up the Symbiotic route with a second ending and fully rewriting a lot of events + adding new ones to match the new game standards, let me know what you think about the 2.1 though!
DISCLAIMER:
This is my first actual project, it started out for fun and turned out something more, so I decided to share it for the community to enjoy.
English is not my first language so there might be some typos beware, also there will be no patreon, subscriber only content, early accesses etc. game is completely free and there is a cheat console integrated in the game if you want the fast route to the fappable content, even though I advise not using it since there are a lot of events and content that might be missed somehow
