Achievements
Complete the following achievements to unlock Xbox Live Gamerscore points:
Arena Eternal (40) - Played in 500 multiplayer matches.
Collect 'Em All (15) - Picked up one of every item.
Flag Runner (10) - Captured 3 flags in one match.
First Frag (5) - Got a frag. Way to go!
Gladiator (20) - Fragged 1,000 opponents.
Hardcore (30) - Conquered the universe.
This is Stroggos!! (10) - Knocked someone to their death.
Ultimate Humiliation (15) - Humiliated an opponent carrying the Quad Damage.
I Can Win (15) - Won 5 ranked matches.
Lord of the Arena (20) - Defeated Xaero in Campaign Mode.
Weapons Expert (10) - Fragged an opponent with each weapon.
You're Comin' With Me (10) - Fragged someone after dying, before respawning.
Unlock Railgun Spiral
Defeat Xaero (the last boss in Campaign mode).