Enter Down, Left, Up, Right, Down, Left, Up, Right, Down at the Cheats menu.
Unlockable Trophies
This is just showing all 6 trophies locations briefly. (Some looking is required)
Unlockable: How to Unlock:
Michigan J. Frog Trophy In Assembly Line Insanity, where you see all the black knights, before you trigger the switch, it is in a breakable wall on your way to the platform.
Porky Pig Trophy In Muddy Evil Forest level, before you get to the Big Black Knight, at end of level, go on top of one of the houses, there is a tree top, it's there.
Road Runner Trophy In Pyramuddle, go to the swinging pendulum part. go all the way across to the opposite side of where you entered. There are boxes, break em for trophy
Tweetybird Trophy In Whack Tastic Robo Bash, there is a door near the end of the level, that has MONSTER written on it, the trophy is in that area, above the door.
Wile E. Coyote Trophy At the beginning of Volcano Way Out, go up the hill until you see the first tree on the left. fall down the ledge on the left, and it is there.
Yosemite Sam Trophy In Low Noon, where you face the first Big Cowboy guy, if you go back, past the tracks to the right, it is on top of a house.