You have to play the frogs in the order they play at first.
Go the the section where you type in the hidden room codes. There is a code for each game in each of the hidden room sections.
well, there are some hidden pins in the yearbooks, you have to click on things, there is a hidden room in the epf,and there are other secrets that you will have to find out by expolring!
under bed, dresser, closet
Find the crowbar-like thingie.
The room that is in the Hidden Lake is the Underwater room which that is the place that is under the Ice Pond.
The diadem was hidden in the Room of Requirement
There are many different ways to find a hotel room in Beijing for a week. Your best option is to find a travel agent and talk to them about this. They can probably get you the room you want and when you want it.
There are various skulls you can find hidden in Halo: Combat Evolved. The first skull is hidden in the first room in the game behind some barrels.
You can find the secret agent headquarters through the EPF room in the ski village.
Go into clown store and find the guard and he will give you a piece of paper, go back to the security room and click on the computer screen and it will go to the time the thief was there.
Well go into the school and start chewing gum, the princpal will get mad and take you to detention, then use the smelly stuff to get her out of the classroom and then click on filing cabinet and you find a hidden room with the clapper inside:)
There is no room. Just the area.