thank you guys for your feedback ^^ !
we are working on an update to make easy-normal-hard better and add some new features (like shop and missions etc...).
I know the game is hard but you can do that ^^ believe it , take a look at other players'es scores on GameCenter
yes HaloBoy it is random generated but not totally all of obstacles.
actually I want to know which one is better (the one you can learn or random , or combination of both of them) and use the better one for the update, you guys can help me out.
Thanks again ^^