Using UT99 is kind off silly.
Then again, there are lots of silly people. Personally I can't possibly see any confusion being arised between "UT-unreal tournament", "UT2K3/4-ut2003/4".
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
UT/Unreal Tournament
UT2K3/UT2003
UT2K4/UT2004
There. Let's hope everyone who has read this post won't ever forget how to distinguish these 3 games from eachother.
If someone however can't see the difference, they need glasses. STRONG glasses.
Or maybe they're just lazy............
I'll repeat it again, UT99 sounds hideous.
I refuse to ever name the game like that. :-/