Map prefixes and suffixes

Common traditional naming conventions for maps for some Half-Life and Source games use a small prefix (two or three letters) followed by an underscore then a map name.

Official prefixes are as follows:

Official Games

Counter-Strike (and all successors)

• de (Bomb defusal)
• cs (Hostage rescue)
• as (Assassination) Only for Counter-Strike

Condition Zero uses remade versions of the original Counter-Strike maps denoted with a _cz suffix.

Day of Defeat (:Source)

• dod

Deathmatch Classic

• dmc

Half-Life 2: Deathmatch

• dm

Ricochet

• rc

Third-Party Mods

BrainBread

• bb

Deathmatch

• dm

Domination

• dom

Dystopia

• dys

Garry's Mod

• gm

Hidden (:Source)

• hdn

Natural Selection

• ns (regular?)
• co (commander?)

SourceForts

• sf

Team Deathmatch

• dm

The Specialists

• ts

Half-Life 2 CTF

• ctf

In addition, some custom maps will be marked with unofficial prefixes, either to denote its nature or to brand it.

Other prefixes

Unclassified

• aaa
• aim
• awp
• conc
• fy
• he
• jp
• ka
• kz
• nrp
• rc
• rwp
• sa

Thematic

• killbox (a map in a box with no realism)
• surf (apparently you surf?)