Hidden Game
Go into the museum and from the information booth, go right and up the stairs. Now, turn to the left and you will see a room next to the game rooms called the X-Room. Go into this room and hold L1+L2+R1+R2+Up simultaneously. With these held, press triangle. You will hear a sound and the room will flash white for a second.

To the right of the dark room will be a woman with green clothes. Stand in front of her and press X. She wlil then disappear and you will be left with the pedestal in the middle of the room and the words "Assault Plus" flashing above it. Access the pedestal and the arcade game will be the new Assault Plus game!


Extra Credits
While playing Pac-Land you can pause the game and press Select to make the Credit numbers go up.