this game has those features:
1- has 4 diffirent levels : forest , ice , desert and allInOOne.
2- has Random level generator that will generate the level randomly using the level prefabs.
3- has Random obstacle generator that will generate random obstacles in each level in random position that each level will be unique and the user will not be bored of repeated levels.
4- has a shop manager that allows the player to buy 4 different chickens and each chicken has different properties( speed, jump height)
5- the chicken has nice and smooth animation in translating, jumping and sliding.
6- has a good code structure that can be maintained and modified ( not hard to understand) but some scripts and functionality are hard coded.(just few of them)
7- Has ad manager script and well placed ads that are showing to the user.
8- All graphics is made by using unity graphics and a few free assets (sky boxes).
9- Good performance on mobile (optimised)
10- 2 Camera mode : Far Camera and Close Camera.
11- the music is not mine I got it from youtube (non copy righted)