Harem Lab
About Harem Lab
Pixel Toast Games created Harem Lab, an incremental clicker game made in Unity with 2D CG and AI CG art. You play a male protagonist who runs a mysterious laboratory and tests a growing cast of subjects with modifiers. The loop centers on finding mutations, opening new forms, collecting evolution points, and improving the lab. Each subject has a personality and different reactions, encouraging new combinations while relationships develop with the girls working alongside you. Fully animated scenes appear as their stories progress. Themes include harem, female domination, and male protagonist.
The current build is a Demo released on June 25, 2026 for Windows in English, with no censorship. Work continues, and planned updates will add more girls, modifiers, mutations, and systems. This Demo presents the basic loop, three playable characters, and early mutations. The latest changelog entry marks the initial release.
Developer's description
Harem Lab is an incremental clicker game where experimentation is the key to discovery. After finding yourself in charge of a mysterious laboratory, you'll conduct experiments on a growing roster of test subjects using a variety of experimental modifiers. Discover unique mutations, unlock new forms, earn evolution points, and upgrade your laboratory as your research expands. Every test subject has their own personality and reacts differently to each modifier, encouraging you to experiment with new combinations and uncover every possible outcome. Along the way, you'll build relationships with the girls working alongside you and unlock fully animated scenes as their stories unfold. This demo introduces the core gameplay loop, three playable characters, and the first set of mutations. Harem Lab is actively being developed, with regular updates planned to expand the roster of girls, modifiers, mutations, and gameplay features.
Harem Lab screenshots
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Changelog
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