first i like to say the ending for the game should be the ending for the movie if the film is anything like to the comic version
1 keep blast at megatron with your missles strong attack and then when hes in robot mode keep throwing things at him until you see his life bar ound away on until he transforms away he will do this 3 times.
2 to get health shoot at the copters above you look where they crash land and the health packs are there
3 after you battled megtron for a second time 3rd time he be in robot mode keep throwing things at him until yuo can get next to him to fight. best thing to throw at him trees, lamppost, cars dodge his chaging attacks im not that good at giving tips
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