In my first full-time programming job (only back in 2008!), we used to play BZFlag at lunch. It was the only fun thing you could install through the CentOS pack

In my first full-time programming job (only back in 2008!), we used to play BZFlag at lunch. It was the only fun thing you could install through the CentOS package manager. A year or two later, we had Quake 3, with Lego mods.