However, looking at the trainer it doesn't look like it came from Cheat happens. I'll follow up on request soon.
Anyone with a modern OS can't play it at all.
And worse, Steam don't even have a forum for this game and deleted all the public reviews where people mentioned the unplayability.
Here are all the instructions you need to run Sudeki on modern Machine and OS (Works on Win7 x64):
Isn't perfect (Doesn't recognize my mouse, but I use controller anyway) but makes the game playable...
I've already tried all the different compatibility modes.
It still doesn't work.
The devs should have tested it before releasing it on Steam.
At least Steam brought the reviews back.
It would be a good idea to wait until the game is actually playable before putting a request. However I won't stop you from doing what you would like to.
* Updated game trainers and cheats daily
* Get notified when new cheats are added
* Request which games get new trainers
* Priority support with any problem