The following list explains some commonly used terms and acronyms.
| term | Description |
|---|---|
| afk | away from keyboard. When spectators go AFK, they can and should alter their /name accordingly. Going AFK on a nearly full server can result in a kick. |
| auth | authentication, a key for registered players to identify. Often used as synonym for player accounts or privileges. |
| bb | bomber-ball, a game mode. Or bye bye. |
| bot | usually refers to an A.I. controlled player. Not to confuse with aim-bot, a client side modification that is considered cheating according to the Multiplayer Guidelines. |
| cc | creative-commons license, typically used for licensing of contributions. |
| cfg | file format (raw text) to store configuration data and cubeScript. Also used for map configuration data, such as lists of textures, sounds and mapmodels in use. |
| ctf | capture-the-flag or just capture, a popular game mode. |
| dac | defend-and-control or just defend, a game mode. |
| dm | deathmatch, a basic game mode. |
| dmo | file format for recorded game protocols, which allows demo playback of the game action, so the matches can be replayed from any point of view. |
| dnc | defend-and-control or just defend, a game mode. |
| ent | entities placed on maps, such as weapons, mapmodels or enemies. |
| ffa | free-for-all, a game mutator to play without teams. |
| gg | good game, a typical chat comment at the end of a match. |
| gaud | the official unit for gaudiness. 100° C is hot enough to vaporize your eyeballs; likewise 100 gaud is gaudy enough to do the same. For an example of a 100-gaud map, see Map Rooftop |
| insta | instagib, a game mutator for one-hit-kills, disabled by default. |
| mat | materials define special properties of map volumes, such as filling an area with water or clipping. |
| mod | moderator, a player with elevated privileges. Mod can also stand for client modifications. |
| mpz | file format to store most content of a map, including all geometry, entity positions and lightmaps. |
| muts | game mutators, special game rules that can be added and combined for a more diverse game experience. |
| nade | grenade, a collectible explosive weapon. |
| ogg | container format for vorbis audio, used for music and sound files. |
| op | operator, a player with advanced privileges. Or just OverPowered. |
| pzap | a typical taunt or chat comment, echoism of a rifle shot. |
| runner | players with a preference for parkour and agile game-play, like race games or hit-and-run tactics in capture-the-flag or bomber-ball games. |
| sg | shotgun, a short ranged loadout weapon. |
| smg | sub-machine-gun, a rapid fire loadout weapon. |
| spec | spectate or going into spectator mode, allows to watch the game action from any player's point of view. |
| svn | subversion, a software versioning and revision control system. SVN was used for Red Eclipse prior to the migration to github. |
| tk | team kill. Killing your team mates is penalized with point loss, and players can get kicked or banned automatically for a certain number of team kills. |
| trial | time-trial, the former mode name for race games in versions 1.0 to 1.4. |
| wpt | file format to store waypoints for a map, a navigation mesh that allows bots to move much more efficiently. |