TrackMania cheats and cheat codes for PC

How to get infinite coppers:

1.)
When you have 30 coppers left, press F1 and press 4. 
This will higlight the 30 copper moutain/hill.

2.)
Place the moutain/hill somewhere then you would have -320 coppers. 

3.)
Save your track and load it again. You should now have 0 coppers. 

4.) 
Press F1 and then 1 to highlight the 0 copper ground. 

5.)
Use that to clear the hill, replacing the moutain with ground. 
You will now have 320 or more coppers. 

6.)
If you have 30 coppers next time, repeat the process and your 
get infinite coppers!