UT3 is about to get re-released as Free 2 Play game called UT3X.
Requires 3rd-Party Account: Epic Games.
Master server of regular UT3 is probably shut down, again.
https://store.steampowered.com/app/13210/Unreal_Tournament_3_X/The classic first-person shooter is now completely free. Unreal Tournament 3 X, with crossplay between Steam, Epic Games Store and GOG features more than half-a-dozen online multiplayer modes or defend humanity in the complete single-player campaign!
Happy New Year!