Playing as a parasite in a microscopic world, your goal is to spread infection and rebuild your colony. Gather pathogens and breed them together to aid in your fight!​

Updated: 2024-05-16
Release Date: 2024-05-16
Developer: ST Hot Dog King Patreon – Itchio – DLsite
Censored: No
Version: 0.13
OS: Windows, Android, Mac
Language: English
Other Games: Link

2dcg, 2d game, big tits, animated fantasy, futa/trans, female protagonist, japanese game, vaginal sex, tentacles, pregnancy, monster, monster girl, transformation.
1- Extract to desired location.
2- Click on “Ataegina.exe” to start playing.
– Fixed nipple breed symptom not showing bug
– Fixed Affection Event not showing bug
– Fixed event not increasing body size bug
– Fixed milking bacteria cross breed dialog typo

– Enemy at stage 2 pregnancy no longer affected by milk shooting skill.
– Fix Futanari event replay bug
– Add aggro for “Ready for sex” skill, attracting enemy attack
– Huggy no longer locked in the battler formation

3 new characters + 1 new crossbreed
2 new symptom (Ovary infection, Sleepwalk)
2 new immune cells (Unlock by total infection rate)
All T1 offspring affection events are done
New skill: Cock Vore
New function: Event board (Menu -> Datalog -> Quest, to check what you are missing)
Added chest on map
Added item, equipment crafting
Fix Dendritic Cell event bug
Fix Infect cells item bug

3 new H event
3 new characters (N. fowleri, Corona, E.coli)
Added equipment crafting
Can obtain certain resource during sex attack



Download For Win/Lin
Download For Mac
Download For Android
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