Halo 3: to level up....................?

[Paolo S]

how do I level up my highest skill?

 

[DECEPTIV WALNUT]

beat people that are at high levels..you'll level up really fast

 

[darkness_8611]

Play Ranked games, try to score 1st in every one other wise it will take FOREVER to get your 50. I recomend playing SWAT or Double to get your high skill