Para instalar os mapas basta você descompactá-los na pasta
\quake2\action\maps. Se você não tem o winzip baixe aqui.

666mines actcity2 actcity3 actdam aggression arcadia avenue1 armyterr beachassault beer beware brickyard bronx bxtrain2 chriscity3 city civilwar coverme ctbcity

ctown2 cliff cliff2 countdown cracked deepcanyon desert downtown ewok foresthighway fortbianco garden ghetto highrise2 hostage2 hwy666 Juice jungle1 kgb2 kumanru lighthouse

longfall lumber market matrix2 mildepot monastery museum mesto murder nobeer p1_lightbeam passin paradise pier2 plaza police parkgarage rhcity1 rhstation riot

riot2 riotx roadrage rooftop saddam subway99 teamdepo teamjungle teacher tokyo town1 toxin urban urban2 urban3 urban4 village village2 winter xmas

Os mapas acima foram linkados da http://www.unigames.com.br/action