Grind Session all levels Pause the game, then press Circle, Up, Down, Square, Triangle. All tricks Pause the game, then press Down, Left, Up, Right, Down, Left, Up, Right. Huntington level To unlock level 8 (Huntington), go to the big gray ramp with a blue streak on the bottom that is in front of a wall. Go off the ramp, and do an air trick (e.g. Christ Air). If you hit the wall in the middle of the trick, you will land it perfectly and get full points.