Playing game results in not true colors When I play the game, it doesn't appear with true colors

Original image:


When I play game:


There are no trees and 3D Text is not true color.
What happened?
It looks like you have Stereo enabled and set to Anaglyph. This mode is intended for use with red/cyan 3D glasses, which enables the viewer to perceive depth in the game. See the relevant wikipedia article.

If you don't want this enabled, set it to None in Properties > Render Settings > Stereo: