Pankamania mini-game:
Destroy 1,500 gifts, then go to the upper level of Mount Crumpit to access the Pankamania mini-game.

Copter Race Contest mini-game:
Destroy 2,500 gifts, then go to the upper level of Mount Crumpit to access the Copter Race Contest mini-game.

Bike Race mini-game:
Destroy 3,000 gifts and complete 100% of the game. Look behind the bookcase in the workshop with the sleigh to access the Bike Race mini-game.

Hint: Extra presents:
Use the egg launcher to shoot the kids to make them drop their presents.

Slime the security guards to get a present.
 

Hint: Hidden presents:
Look on top of the town's Christmas tree to find a hidden present.

Look for walls of ice in downtown Whoville. Shoot them with the rotten egg launcher. There are secret presents behind them.

Hint: Entering Town Hall:
Use the egg launcher to shoot the clock to get inside Town Hall.

Hint: Finding the blueprints:
Go to the bottom level of Town Hall and find the three rugs on the wall that appear differently than the others. Pull out the rugs to find the blueprints.

Hint: Sculpting Tools:
To get the Sculpting Tools in Whoville, enter the Town Hall. Then, go to the room across where the statue is located to find see a rug or cabinet type thing on the wall in the back of the room. Approach it and press Action. It will hold on to the cabinet. Move it to the side. Press Action to pull out the safety. Jump, do a pancake on it, and the tools will pop out.

Hint: Who Cloak:
Go to the building that has 030 at the top. There should be a policeman standing by the doors. Tiptoe toward the doors. Once you reach them, quickly press Triangle, because the policeman will wake up. After you leave, you can go to the nearest telephone booth and change into the cloak. If you are wearing the cloak you can go to the Post Office. Note: While wearing the Who Cloak you cannot use Bad Breath.