Upgrade a weapon.
Earn all other achievements in the game.
Add each teammate to the party at least once.
Get onto the Grand Lancer's head.
Destroy all of the Spider's legs.
Destroy all enemies with the mobile gun battery.
Hit the jackpot on a vending machine.
Destroy the Iron Whale's four engines.
Get 50 smash bonuses in Campaign.
Get 50 multi-kill bonuses in Campaign.
Get 50 headshot bonuses in Campaign.
Get 50 one-shot bonuses in Campaign.
Use first-aid kits to revive teammates 10 times.
Purchase nanomachines for a teammate.
Access all shopping terminals.
Spend 10,000 credits at vending machines.
Destroy 100 Assault Shooters in Campaign.
Get enemies to kill each other 50 times.
Fully upgrade one weapon category.
Collect 20 SECURITY-COM in Campaign.
Collect all SECURITY-COM in Campaign.
Get all nanomachines within 1 playthrough in Campaign.
Clear all chapters on SURVIVOR Mode.
Win an online vs. match with any rule set.
Clear a stage in INVASION mode.
Clear all stages in INVASION mode.
Win an Xbox LIVE vs. match with all rule sets.
Clear all Xbox LIVE mode challenges.
Reach Xbox LIVE level 50.
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