Google Earth Flight Simulator

GE includes a flight simulatory game ...

Flight Simulator Keyboard Controls - Google Earth User Guide

This document describes the various keyboard combinations that you can use with the flight simulator features of Google Earth. To enter the flight simulator mode, press Ctrl + Alt + A (Command/Open Apple Key + Option + A on the Mac). Once you have entered flight simulator mode for the first time, you can re-enter the mode by choosing Tools > Enter Flight Simulator. To leave flight simulator mode, click Exit Flight Simulator in the top right corner or press Ctrl + Alt + A (Command/Open Apple Key+ Option + A on the Mac)...