upgrade everything. go on the 50 ramp. make your angle 3%. rocket to 175 mph. when you reach 150 mph rocket to 175 again. you'll get the meduim badge then. hope it helps, try and keep this comment alive.
tip for safe breaker: make 2200 coins. play the game ( 2200 ) then break 8 of the silver ones. it does not matter what ones. chances are, you will get keys in the silver boxes. break all the silver boxes if possible. if you do, you will have 3 or 6 more keys. open 2 of the gold boxes if you do. you will get about 2800 with the money upgraded to 9. 5000 if you open one gold with no spiders. 7000 if you open two gold boxes with no spiers if your lucky. thats 4800 profit.
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