Game interface Language: English
Highest addictiveness! Minimal brain play!
You can raise sperms to the top stage just with Up, Down, Right or Left swipe.
Swipe to fly the sperms
If the sperms in the same shape meet, they evolve themselves one step naturally.
NEVER give up
Just concentrate on raising the sperms to the top stage.

Operating System: Android Jelly Bean (4.(1-3)) - Nougat Marshmallow (7.0) or later