Idle Zoo is an interesting game which is playable on Friv4. Your mission in the game is to rehabilitate old zoos. Reestablish territories in the zoo that will create pay, overhaul things in your regulatory structure and develop your pay considerably more, research new creatures so you can fabricate them in a higher level.
Turn into a well off financial backer and reestablish zoos through the country. Fix old environments and fabricate new ones. Investigate new creatures and let your zoo flourish. Much fun!
The game is very interesting, do not miss the opportunity to explore it. If you love this game. You can join some other games similar to Sky Rolling Balls.
Controls
Use the mouse to play this game
Puzzle 
io 
Sports 
Action 
Adventures 
Driving 
Arcade 
Girls 
Shooting