Are there any games where you can design your own building the computer. Like where you can choose a location, the shape of a building, what it's made of, what's in the building, and see if its structurally safe. Im just so bored and i feel like making something. ha ha.

Design House Plan Online:

http://www.smallblueprinter.com/sbp.html
http://architectstudio3d.org/AS3d/design…
Floor Planner: http://www.floorplanner.com/start

Google SketchUp (You can use Google SketchUp to create, modify and share 3D models. Software) - http://sketchup.google.com/intl/en/

All I know about. Sounds like fun what you're planning.

Ron