Lego Racers 2

Get Mars Tracks

After pausing the game press Left, Left, Right, Right, Left, Left, Right, Right, Down, Left, Right

Get Wide Angle Mode

After pausing the game press Left, Left, Left, Right, Right, Right, Up, Up, Up, Down, Down, Down, Left, Left, Left, Right, Right, Right

Get Martian

At the main menu press Right, Left, Right, Up, Down, Left, Right, Up, Up