The main melody should go something like this. The notes in brackets
are played very fast, so you can leave them out. You can repeat any part
as often as you want, since it's video game music, you actually should
until you proceed to the next map or something.

|: (5 -6) 7 -7 6 -4 5
-3'' 4 -4 5 -4 -3 4
2 -3'' -3 4 5

(5 -6) 7 -7 6 -4 5
-3'' 4 -4 5 6 :|

Final:
7 -7 6 -4 5
-3'' 4 -4 5 6 -6