Here is what you've been missing:
- Flightsim - one of the first applications built for the Google Earth Browser and still one of the best. Oh -it's a flight sim.
- Wikisailing - Virtual sailing trips and flights using the GE Browser.
- EarthSwoop - User submitted collections of the 3D buildings and terrain in the GE Browser.
- The World in 3D - City tours showing some of the wonderful 3D buildings in Google Earth.
- Para-Gliding Earth - Para Gliding game using the Google Earth Browser.
- Earth Atlas - View any kml file in the Google Earth Browser.
- K2 Gaiaprojector - View Danish related kml files in the Google Earth Browser.
- Dreaming New Mexico - Highlighting some of New Mexico's dirtiest power plants.
- Google Earth Demo Gallery - Google's own demo gallery of the Google Earth Browser.