You have to copy all three files from the TNT NoCD to your game directory: GAME.EXE, GAME.DLL and TNT.CID, otherwise it won't work!
Try this NoCD I made, no silly loaders, no renamed/extra files or compression, just the original uncompressed GAME.EXE made into a NoCD:
Code:
http://d.turboupload.com/d/1243000/CKC.rar.html
Password is: GCW