Level select
Press X(2), White(2), Y(2), White, X, Y, Y, X, White at the "Press Start" screen.
Extra money
Press Y, X, White, Y, X, White, X(2), Y, White, X, Y at the "Press Start" screen.
Reputation
Press Y(2), White, X(2), White, Y(3), X(3) at the "Press Start" screen.
Find treasure in the restricted area
Locate the UFO inside a hanger, a treasure chest should then be found in one of the corners of the hanger
Thailand Rally: Treasure chest
Pause game play and go to the contour map. Go to the bottom right corner of the map and press R1 until the map stops. Just to the left of the island is a
brown spot. That is the Temple Of The Dancing Buddha, which is where a treasure chest is located.
Treasure Bay: Treasure chest
From the start, follow the road until you see a ship on the beach. Go to the side of the ship where the sign is on the beach. The treasure chest is on that
side of the ship. Note: You can only get the treasure chest by driving your truck alongside the ship. Start towards the back of the ship, facing towards the
front. Drive slow to get the treasure chest.
Pikes Peak: Treasure chest
Go to the lake that is the furthest from the end of the track. The treasure chest can be found on the land between the lakes.
Farm Road 109: Treasure chest
The treasure chest is located at the center of the lake.
Crazy 2001: Treasure chest
Go to the southwest corner of the lake near the start to find a treasure chest with money.
Laguna del Sol: Treasure chest
After Checkpoint 3, drive onto the large island straight ahead of the checkpoint to find a treasure chest.
Arizona: Treasure chest
At the start of the level in roaming or racing mode, go in reverse until you pass the train tracks. Then, go to the right until you see a derailed train.
Stop at the front of the train then go right until you reach a canyon with a piece of road and two hills in the middle. In between the two hills are two small houses. The treasure chest is located in between the houses.
Costa Rica Rally: Treasure chest
From the start, head east until you reach a temple. That is where you can find a treasure chest. If you cannot find the temple, go to the contour map and look for a small light gray area.
Castle Rock: Treasure chest
Go back about 100 feet from where you start. There should be a skeleton guarding a treasure chest.