extract to your quake2 dir ex."c:\quake2"
run map from console by typing "map" infront of the mapname
ex."map maxdm6"
maps included:
rave "test version ill finnish it someday"
mdm
spaz "some weird idea i had 8)"
marena
marena2
mmm2
cmaxdm6
cmaxdm7
maxdm6
maxdm7
tower
dm8v2