Mosh Pit is a multiplayer playlist in Call of Duty: Modern Warfare 2, Call of Duty: Black Ops, Call of Duty: Black Ops II, Call of Duty: Advanced Warfare, Call of Duty: Infinite Warfare, Call of Duty: WWII, Call of Duty: Modern Warfare, Call of Duty: Mobile, Call of Duty: Black Ops Cold War, Call of Duty: Vanguard, Call of Duty: Modern Warfare II, Call of Duty: Modern Warfare III, Call of Duty: Warzone Mobile, Call of Duty: Black Ops 6, Call of Duty: Black Ops 7, and Call of Duty: Modern Warfare 4.
1 Call of Duty: Modern Warfare 2
1.1 Overview
2 Call of Duty: Black Ops
2.1 Mosh Pit Variants
2.1.1 First Strike Mosh Pit
2.1.2 Escalation Mosh Pit
2.1.3 Annihilation Mosh Pit
3 Call of Duty: Black Ops II
3.1 Mosh Pit Variants
3.1.1 Mercenary Mosh Pit
4 Call of Duty: Advanced Warfare
5 Call of Duty: Black Ops III
5.1 Mosh Pit Variants
5.1.1 Mercenary Moshpit
5.1.2 Chaos Moshpit
5.1.3 CWL Moshpit
6 Call of Duty: Infinite Warfare
7 Call of Duty: WWII
7.1 Mosh Pit Variants
8 Call of Duty: Modern Warfare
8.1 Mosh Pit Variants
9 Call of Duty: Mobile
9.1 Mosh Pit Variants
10 Call of Duty: Black Ops Cold War
10.1 Mosh Pit Variants
11 Call of Duty: Vanguard
11.1 Mosh Pit Variants
12 Call of Duty: Modern Warfare II
12.1 Mosh Pit Variants
13 Call of Duty: Modern Warfare III
13.1 Maps
13.2 Mosh Pit Variants
14 Call of Duty: Warzone Mobile
15 Call of Duty: Black Ops 6
15.1 Mosh Pit Variants
16 Call of Duty: Black Ops 7
16.1 Mosh Pit Variants
17 Call of Duty: Modern Warfare 4
17.1 Mosh Pit Variants
18 Trivia
19 References
Call of Duty: Modern Warfare 2[]
Overview[]
Mosh Pit is a random combination of all game modes excluding 3rd Person Cage Match and Team Tactical. The game mode was a late addition into Call of Duty: Modern Warfare 2 along with 3rd Person Team Tactical.
Call of Duty: Black Ops[]
Mosh Pit Variants[]
First Strike Mosh Pit[]
A limited edition game mode was available on First Strike maps within Call of Duty Black Ops for a short period of time, an equivalent of the Modern Warfare 2 game mode. It was available between February 4th to 6th, 2011 for the Xbox 360, and March 4th to 6th, 2011 on the PS3
Escalation Mosh Pit[]
Escalation also featured a Mosh Pit game mode, similar to First Strike.
Annihilation Mosh Pit[]
Annihilation also featured a Mosh Pit game mode, similar to First Strike and Escalation.
Call of Duty: Black Ops II[]
Mosh Pit Variants[]
Mercenary Mosh Pit[]
A playlist consisting of every game mode on every map, except Sabotage and Free-for-All.
Call of Duty: Advanced Warfare[]
Mosh Pit was made available as of December 9th, 2014. A Hardcore version of it was added on January 23rd.[1]
Call of Duty: Black Ops III[]
Mosh Pit Variants[]
Mercenary Moshpit[]
A playlist that restricts matchmaking to solo players and disables parties.
Chaos Moshpit[]
Playlist icon
"A collection of smaller maps (including Nuk3Town!) and frenetic, fast-paced game modes."
— Playlist Description. 
This mosh pit includes the modes; Team Deathmatch, Kill Confirmed, Hardpoint, Safeguard, Uplink and Domination.
CWL Moshpit[]
"This weekend only, play in the gamemodes used by the CWL. Gamemodes include Hardpoint, Search and Destroy, Capture the Flag and Uplink. Tune in to the Live Event Viewer this weekend to watch the Call of Duty MLG Anaheim Open. "
— Playlist description.
The CWL Moshpit was added to the bonus category, temporarily replacing Chaos Moshpit for the weekend, from Jun 10 - 13, 2016. Double XP and Double Weapon XP had been activated for this playlist only during that time, while Arena received the same.
CWL Moshpit playlist
Message of the Day - CWL Moshpit
Call of Duty: Infinite Warfare[]
"An assortment of objective game modes."
— In-game description.
Mosh Pit returns in Call of Duty: Infinite Warfare. It features a playlist of objective based game-modes similar to previous iterations. It also features a Hardcore variant.
Hardcore Mosh Pit variant.
Call of Duty: WWII[]
Source: https://callofduty.fandom.com/wiki/Mosh_Pit. This is an independent Call of Duty: Modern Warfare 4 reference page.