How to find DS games that I lost?

I KNOW they're either in my bedroom or the living room.

The games are-

Hotel Dusk:Room 215

Cooking Mama

Mario %26amp; Luigi partners in time

Neopets

Age of Empires

and

New Super Mario Bro's



I THINK they're in those little plastic cases that hold like 2-4?

Maybe......

Please list some common spots that they might be.How to find DS games that I lost?
-Go to where you usually play video games;

ask questions like.

If I had to switch games/leave where would I place it?

If someone found it, where it be placed



Look under stuff, like someone might've thrown a t shirt on top of it.

See if it got knocked down.

Look in the garbage