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.
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.
Entering Town Hall
Use the egg launcher to shoot the clock to get inside Town Hall.
Extra presents
Use the egg launcher to shoot the kids to make them drop their presents.
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.
Getting the presents the kids are guarding
In Whoville, there are little kids who are guarding presents that give you 10 points. They are dancing to the music that the little horn thing beside them is making. If you shoot the kid with the Rotten Egg Launcher, the kid will go away. You cannot get the present while the music is playing. Slime the horn with the Slime Gun, then you will be able to get the present.
Hidden present
Look on top of the town's Christmas tree to find a hidden present.
Hints
In Downtown Whoville, you don't need the costume to get past the sleeping policeman just tiptoe past him and the cloak will be inside for future visits.
Don't be concerned if you can't accomplish all missions per level the game isn't linear, so in most cases you'll have to visit other levels first to construct gadgets.
In Who Dump, shoot the birds with the Rotten Egg Launcher and they'll drop food.
To open the safe in the Town Hall, shoot it with the Rotten Egg Launcher it contains a blueprint for the Grinch Copter.
Also in the Town Hall, on the bottom level, you'll find that some of the rugs on the wall look different than the others;
Pankamania mini-game
Destroy 1,500 gifts, then go to the upper level of Mount Crumpit to access the Pankamania mini-game.
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 [Ctrl] (or your activate key). It will hold on to the cabinet. Move it to the side. Press [Ctrl] to pull out the safety. Jump, do a pancake on it, and the tools will pop out.
Spin 'n' Win mini-game
Destroy 750 gifts, then go to the upper level of Mount Crumpit to access the Spin 'n' Win mini-game.
