Bunny Hop
It is possible to bunny hop your dirtbike. While not
moving, hold [L] (clutch) + [A] (gas) + [Down].
Then, hold [Preload] until the bar is full. Then, release
[L] (clutch) and if done correctly, you should take off into
the air. Level yourself out and complete the bunnyhop. It may
be a little tricky at first, but it is fun to jump on buses and
and other things. You can also bunny hop, going slowly (or any
time you can pull a wheelie). However, it is easiest when going
very slow or staying still.
Alternately, hold [Turbo] then press [Gas].
Additional bikes
To unlock the option to choose between 125cc and 250cc,
go through the game in career mode until the last level. Once
there, acquire first place to unlock the option the change your
cc's on your dirtbikes in any mode.
Bus Jump: Enter the city
This trick is slightly difficult. If you try to bunny
hop the walls around the course, you will find that there are
invisible walls above them. However, you can take advantage of
a glitch to get around them. Go up on the roof (top level) and
go near, but not off, the jumps. Slowly go up the jump on the
left side. Stop your bike halfway up the jump. Then, if you are
positioned correctly, you can bunny hop over the wall. You need
to do a 180 in the air to go over it. When you are in the city,
you can see behind all the buildings, the water tower, houses,
etc.
Canyon: Lady in a bikini
Go to the secret location with rocks everywhere. Hit
the ramp all the way at the end. If you go fast enough you will
see a lady in a bikini sitting in the water.
Tacoma Freestyle: Slow motion multi-player
Find the white cement wall. Squeeze or bunny hop between
the cracks. Go to the end until you see two ladies in a hot tub.
Bunnyhop one player into the hot tub and play in slow motion with
the other player.
Vulture Gulch Canyon: Wallride a
cliff
Select freestyle mode. Starting from the trucks and
cars, go to the back side of the arch in the level. Back up slightly
and get a good running start. You should be able to climb up the
side of the mountain. There will be a cliff up there that you
can ride on.
Warehouse level: Secret area
In the Warehouse in freestyle mode, go on top of the
biggest jump. You should see two holes in the wall. They lead
to other rooms and levels. To get to one of those levels, go over
a large green crate is located (not the area with a lot of green
crates, just the one). Go off the left edge of the jump into the
corner with a large metal sheet. Bail or just fall when you hit
the metal sheet, and it will reset you in a room with a huge quarterpipe,
a big tabletop, and two holes in the wall. Note: This does not
work every time.
Hit the very big jump at a angle, as if your coming from all the
big green containers. If hit correctly, you will fly onto the
platform and reach the secret area.
Girls in a hot tub
Find some white cement walls and can squeeze behind
them on one of the sides. Follow the path to find some girls in
a hot tub.