I looked in the 2012 section and didn't find this game. It may be elsewhere. If not, here it is -
Name - REVELADE REVOLUTION
Developer - THE INTERCOOLER GAMES (or just "THE INTERCOOLER")
Type - FPS
Year of 1.0 Debut - 2012
Category - Free Fan-Made Games
Comments - From the material given, it is based off of the Sauerbraten (Cube 2) engine, has multi-player & single player modes, is free to download. I have not played it so I can't give my opinion of how it plays.
DOWNLOAD LINK - REVELADE REVOLUTION