Played the game last night on my Win 7 64bit clunker with flying colors
Do not forget to run the trainer as an administrator
From the FAQ of CH:
Q: Why aren't there any cheats for multiplayer games or modes on your site?
A: CHEAT HAPPENS does not support or condone the use of cheats in a multiplayer environment.
No, single player only. zip/rar your game exe and attach it here or upload to a file sharing site so we can see if it matches ours.