http://bugs.winehq.org/show_bug.cgi?id=35453
--- Comment #6 from Wylda wylda@volny.cz --- (In reply to comment #5)
The point 2. I don't understand, can you clearify that one?
The "__GL_ExtensionStringVersion" is a variable to which is assigned the value 17700. The value represents nVidia driver's v177.xx capabilities. It's like a switch, which takes you to history (newer drivers have more capabilites & extensions, so the string length is bigger and games based on Quake's engine didn't expect such a lengthy string, so they crash).
For intel graphics the trick to reduce is different:
MESA_EXTENSION_MAX_YEAR=2003 wine MOHAA.exe
For example, see bug 31730.