I 3 Red vs Blue

I <3 Red vs Blue is an achievement in Halo 4. It is awarded when a player wins five matches in War Games. The achievement is worth 10 Gamerpoints. It is represented by a sphere with a "5" in the upper right-hand corner.

Trivia
The requirement for this achievement could be a reference to the first five seasons of Red vs. Blue, collectively known as the Blood Gulch Chronicles.