★★★★★(15)
CosmoBreeder Yiffai
by harmarist
About CosmoBreeder Yiffai
CosmoBreeder Yiffai is a Java adult game by harmarist, shown through 2D CG visuals. It is set in a future of faster-than-light travel and cyber-robotics, where cosmobreeders roam unknown planets to gather valuable biodata from alien creatures. You play a lone cosmobreeder whose ship is downed over the mysterious planet Tutone, leaving them almost naked. You can choose your cosmobreeder for different content paths. Gameplay centers on exploring service tunnels and forests, reclaiming lost gear, gaining alien artifacts for new abilities, taming local creatures, and obtaining biodata through breeding. You can also search for other cosmobreeders and uncover the details of their captivity.
The current listed build is the Steam version, dated April 24, 2025. It runs on Windows and is available in English. The game is uncensored. The entry describes a 2D, furry adult title, and the overview emphasizes exploration, equipment recovery, artifact abilities, and breeding with alien creatures.
Developer's description
In the age of faster than light travel and advanced cyber-robotics, brave heroes known as cosmobreeders explore unknown worlds and collect valuable biodata from alien creatures. As a lone cosmobreeder on a rescue mission, you’ve been shot down over the mysterious planet Tutone and left with nary a scrap of clothing... Keep your wits about you and your Lighttazer close at hand as you explore ancient service tunnels and dark forests. Recover your stolen equipment and acquire alien artifacts to unlock new abilities. Tame the local fauna and breed with them for their biodata. Discover the whereabouts of your fellow cosmobreeders and witness the lewd details of their captivity firsthand! Select your cosmobreeder to enjoy male-on-male or male-on-female content!
CosmoBreeder Yiffai screenshots
Download CosmoBreeder Yiffai Steam
Player reviews
What players say
Reviews are mixed but mostly positive for retro metroidvania design and art despite controls, difficulty, and unfinished content.
Players like
- Retro metroidvania feel and rewarding exploration
- Charming high-quality pixel art and animations
- Gameplay-first design with optional adult scenes
- Option to choose male or female character
Common complaints
- Clunky controls and confusing menu navigation
- Increasing late-game difficulty and unfairness
- Unfinished content and lack of updates
Best for players who enjoy retro metroidvanias and high-quality furry pixel art.
Summarised from 15 written player reviews.
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