At the main menu, select the "Cheats" option. Then, enter one of the following codes at the "Cheat" menu to activate the corresponding cheat function. Enabling codes will disable game saves. It is recommended that you only use cheats on levels you have already played. If you complete a new level with the cheats on, you will not be able to save and must repeat the levels without using codes.
At the "Cheat" menu, quickly press Down, Left, Up, Right, Down, Left, Up, Right, Down.
Look in one of the following locations to find the corresponding trophy:
Michigan J. Frog Trophy: In the Assembly Line Insanity level, go to where all the black knights are before you trigger the switch. The trophy is hidden in a breakable section of wall on your way to the platform.
Porky Pig Trophy: At the end of the Muddy Evil Forest level, before you reach the Big Black Knight, get on top of one of the houses. The trophy is hidden in the tree top.
Road Runner Trophy: In the Pyramuddle level, get to the swinging pendulum section. Go all the way across to the opposite side of where you entered. The trophy is hidden in one of the breakable boxes.
Tweetybird Trophy: In the Whack Tastic Robo Bash level, near the end is a door marked with the word "MONSTER". The trophy is somewhere above that door.
Wile E. Coyote Trophy: At the start of the Volcano Way Out level, go up the hill. Continue until you find the first tree on the left. Fall off the ledge to the left to find the trophy.
Yosemite Sam Trophy: In the Low Noon level, get to the part where you meet the first Big Cowboy. Go back the way you came from, past the tracks to the right. The trophy is hidden on top of one of the houses.