If someone could help me out with any of the following, I would be very greatful:

Kiboaka Hill
-60 tricks
-250,000
-Gate of "<insert japanese letters here>"
Fortified Residential Zone
-Can't even find the Mystery tape...
99th Street
-"<insert japanese letters here" Gates. grind. <--I heard somewhere that you need to grind all the way around th red gate surrounding the dragon on the sidewalk without touching the ground, but I've done this numeous times.
Highway Zero
-Mystery Tape.........
Chou Street
-G->U->G->U->reach to sewage (I heard somewhere that you need to jump from rail to wallride all the way to the halfpipe, but I've also done this many times and nothing happens.)
Hikage Street
-Overpass u/a crane G Ground->dp->Ground (I have no clue what this means...)