Space flight simulation game

A space flight simulation game is a part of flight simulator video games. It may be three types:
Realistic space simulators.
Realistic space simulators try to copy the behaviour of a vessel under the laws of physics.
For example, the "Orbiter" follows the Newton's laws of motion. However, it has fictional spacecraft to try those.
The "Space Shuttle Mission 2007" simulates the behaviour of the Space Shuttle.