It seems that you're using an outdated browser. Some things may not work as they should (or don't work at all).
We suggest you upgrade newer and better browser like: Chrome, Firefox, Internet Explorer or Opera

Follow the instructions below to use the community master servers for their respective games:

1) UT99:

Additionally for UT99, some more community master servers can be found here.

2) UT2004: or
Post edited April 30, 2024 by TheBigCore
UT2004 is now officially supported by 333networks with full synchronisation with other masterservers