During "Be 34s in Fever mode", get someone call you when you just got in fever mode. Pick up the phone and wait for exacly 34 seconds, then your friend must disconnect the call. Now, you back to the game and you will see that you've passed the "34s fever mode objective".
Score More Points?
You get 10 points for every "great" slide you perform. A "great" slide is a perfect slide through a valley, where you lose no speed and get the maximum air coming out. You also get 20 points every time your bird touches the clouds after a high jump.
Yellow Coins/ Blue Coins?
yellow coins is worth 3 points toward your overall score. A blue coin will give you a temporary speed boost.