i cleared the game in 22 days and also i did it without maxing my accelaration! i was 2 points behind and i still finished it! KingKon, the "6000 feets" achievement is to clear 6000 feet in distance!
cleared the game in 26 days! here is how i managed: after everything is maxed, go to 50' ramp. when u take off, let ur resistance be 4%. keep pressing spacebar in order to keep ur speed between 120 and 150. after ur thrusts get over, ull be aruond 70ft off the sea and atleast 4000 ft across. then is is easily manageable to get to 6000. the ending is crappy though.