get oil for upgrades and use oil to buy upgrades TO GET OIL CLICK ON THE OIL PUMP IT DISPLAYS UR OIL AT THE TOP UPGRADES NOT OUT YET POST UR SCORE IN THE COMMENT IMPORTANT WHEN U ENTER OIL FOR THE 1ST TIME PRESS 9 IT SETS THE SIZE TO 100 AND WHEN UE LEAVING THE OIL PRESS 0 IT SETS SIE TO 0.1
JUST ME :)
