The killbox.zip file you have requested: Maps Levels Missions / Multiple Gametypes / Killbox - 4.1mb is not available. Perhaps try browsing all files for the game Alien Arena and upload any files you want to share or are missing. This is the only information we could locate:
Forsaken created a remake of a Half-Life/Quake 2 slaughter fest. This map supports the following gametypes: dm, db, ctf, aoa, and tca.