Did you install the latest patch from www.oldunreal.com ?

The 227 update (currently the latest public version is 227i, but 227J is shortly to be released) fixes numerous bugs, implements better performance optimizations (especially for modern systems), adds expanded capabilities for modding/mapping/content creation and re-enables access to multiplayer after the gamespy shutdown by linking to a new masterserver.

Unless you are complimenting the level I am working on in the screenshot above, so thank you very much if you are. :)

Then why does this looks better than the game I was playing?

This was just using normal Opengl, though when XOpengl is finished it will feature shader support (for things like normalmapping or other derivative maps). It'll also feature per fragment hardware lighting (though this screenshot doesn't feature any of that yet).

What graphic settings are those? What rendering?

An old unreal lighting api is very sweet. I feel home cosiness