Red vs. Blue (achievement)

Red vs. Blue is an achievement in Halo: The Master Chief Collection. This achievement is obtained by winning 10 matches on Bloodline on Halo 2: Anniversary multiplayer. The achievement is worth 10 Gamerscore and can be unlocked with both matchmaking and custom games. It also unlocks the "Puma" Multiplayer Emblem.

Trivia
The achievement is, naturally, named for the Red vs. Blue webseries; the majority of the first five seasons, known as "The Blood Gulch Chronicles", take place in the classic box canyon.