to be honest the moment u got the tank and the golden gun(handgun) it almost runs itself.
loser23jtw's desciption works wonderfully but u may also wait till ur almost on the left side (slowest) just for the tension (spikes ftw :-/ )-
As soon as u'r not the unlikiest person in the friggin universe u can reach >5.000.000 with ease - plain boring ^^
5/5
 "Ultimate Crab Battle"){kind=icon}
 "Toss the Turtle"){kind=icon}
 "UPGRADE COMPLETE!"){kind=icon}
 "Golphysics"){kind=icon}