This installer features co-op crater the only co-op map for rc also it has dm and ctf maps in the pak.
Vidlink...
http://www.youtube.com/watch?v=Lq4yzu_zt2c&feature=related)
You kan dload it from mi filefront...
http://www.filefront.com/14817363/Crater.exe/)
sumthing is up with the installer so you need to make sure the maps extract to the maps folder as theyl extract to the general swrc folder so either move them or copy and paste.