So,first you need to buy the tiger shark.then you have to start a level,after that go find a couple people and chew em up then go find some fish at the bottom of the ocean.then in a couple mins you will see you're shark leveling up quickly.
To do this cheat and to get unlimited daily bonus is very easy but quite painfull. Step 1.. Get your first daily bonus. Step 2.. Leave game and double tap home button(iPhone) and stop game running in background. Step 3.. Change date and time settings to one day ahead. Step 4. Play Hungary shark Evolution again and get daily bonus. Step 5.. Rinse and repeat.