Call of Duty: Black Ops IIEdit
In Call of Duty: Black Ops II It is a game mode found in the "Bonus" playlist, and consisted of random gametypes in random maps. The gametypes available were Team Deathmatch, Kill Confirmed, Hardpoint, Headquarters and Domination. Chaos Moshpit was the only way to play on the map Nuketown 2025 before the update on April 15, 2013, which put the map in regular rotation and removed Chaos Moshpit.
Call of Duty: Black Ops IIIEdit
In Call of Duty: Black Ops III it is a game mode in the "bonus" playlists, that contained all respawn gametypes in small maps only.