No One Left Behind
20 (Halo 4)
5 (MCC)
No One Left Behind is an achievement in Halo 4 [1] and Halo: The Master Chief Collection . It is obtained by saving at least one Marine in Chapter 3 of Episode 2 of Spartan Ops on Heroic or harder.
Gallery [ ]
Sources [ ]
Campaign levels Par Scores Par Times Terminals Skulls Campaign level completion Playlists Miscellaneous
Campaign levels Par Scores Par Times Terminals Skulls Toys Campaign level complete Playlists Miscellaneous
Campaign levels Par Scores Par Times Terminals Skulls Campaign level complete Playlists Miscellaneous
Campaign levels Par Scores Par Times Terminals Campaign level complete Playlists Miscellaneous
Halo 2A Matchmaking Additional matchmaking Campaign Miscellaneous
Spartan Ops complete Additional Spartan Ops Campaign Multiplayer Multiplayer Skulls Miscellaneous
Campaign levels Campaign complete Audio Logs Par Scores Par Times Clues Playlists Miscellaneous