By the powers of Spartan Ops matchmaking, Double XP, and Fast Track, you can get over 13,000 XP per game of Halo 4. This is by far the fastest known way to rank up.
Halo 4: Fastest Way to Rank Up – 13,000 XP Per Game
Halo 4: Fastest Way to Rank Up – 13,000 XP Per Game
Halo 4: Fastest Way to Rank Up – 13,000 XP Per Game
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