Hey! You know, in this game you can play some tricks! Be attentive! I'm sure you will need them, without any doubts! As for me, I found the following hints very helpful.
How to show frame rate. It's very easy, guys! You have to press the following combination while playing the game. Note that you should press all the keys at once.
Ctrl+Alt+Shift+F
Version number. Sometimes, it's necessary to know the version number, for example, for choose the compatible trainer. So, when you are playing the game, press the following keys at once.
Ctrl+Alt+Shift+V
As you can guess, to disable the above mentioned effects, you have to press those key combinations again.