Counter Strike Online Wiki

Another Episode (dm_ae) or Rooftop or just Roof is an official annihilation map in Counter-Strike Online.


The map takes place on the rooftop of the Rex Research Institute. The map is very small and simple.


  • To acquire many kills, do a wall bang.
  • Recommended to use assault rifles and sniper rifles.
  • Use walls for protection.

Official Description[]

After the attack on the Rex Institute No.1, we got information that the terrorists are planning to get into the second Institute. In order to prevent the terrorists from getting into the second Institute, our government places an elite troops on the rooftop to engage the terrorists.

  • Counter-Terrorists: Prevent the terrorists from getting into the institute and destroy it.
  • Terrorists: In order to invade the institute, eliminate all the Counter-Terrorists.



  • This map was inspired by a famous Counter-Strike custom map "fy_iceworld". A port of fy_iceworld was released as Ice World.
  • There is a bug where you might spawn above the glass rooftop, making it easier to kill enemies from above.
  • There is a bug where you can throw a grenade through the short walls by rolling the grenade under them.
  • There is an Easter Egg in this map where you can hear a scary mysterious woman voice (watch the video in Gallery for details).