Parasite Infection
Parasite Infection is an explicit sandbox adventure you can play instantly in your browser on mobile or PC. You are thrust into a completely alien environment where your primary goal is to spread an unstoppable infection through intense sexual encounters. The game embraces hardcore body transformation and mind corruption as you convert the general populace and betray your own species for ultimate pleasure.
The gameplay loop offers a massive scope filled with deep variables and complex systems. You will utilize an in-game map to navigate the sprawling world while engaging in strategic threat and resource management. A highly detailed colored mutation mechanic requires you to carefully manage body fluids to unlock radical new evolutions. The gorgeous dynamic artwork beautifully illustrates every extreme physical change your hosts undergo.
Every playthrough is a unique sandbox experience packed with endless features and extreme fetishes ranging from living clothing to radical gender conversion. With a vast array of alien and human interactions to discover, you will constantly find new ways to mutate and corrupt your targets.
Press Play and start directly in your browser. Parasite Infection plays online on mobile and PC, with no download and no sign-up.
About the Developer: Created by Anon Smith - support the developer for updates and more work.
Game Info: HTML adult sandbox | by Anon Smith | Alien / Mutation / Resource Management | English.
Updated to r1.36 on February 17th 2026.
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