In ioquake3 and its forks it would be called "unlagged". "Unlagged" is a specific implementation of lag compensation for the Quake III engine, which ioquake3 b

In ioquake3 and its forks it would be called "unlagged". "Unlagged" is a specific implementation of lag compensation for the Quake III engine, which ioquake3 builds upon. It was developed to improve the gameplay experience for players with high ping, Unlagged aims to ensure that shots hit targets as seen by the shooter, even if there is a significant network delay. There are mixed opinions on it, of course. It is much difficult to kill people without it enabled.