Buy your first equipment item.
Figure out a way to destroy a red Shadow enemy.
Collect 100 powerups.
Collect each type of powerup at least once.
Equip an elite weapon in every standard weapon slot.
Amass 1,000,000 scrap.
Obtain every superweapon.
Reach level 20.
Get your first Perk.
Use a superweapon ten times.
Destroy an enemy with a reflected projectile.
Win a Versus game.
Destroy a boss with a 5x or greater combo.
Play a Battle Chains series that reaches Round 5.
Complete the Campaign.
Reach a 50x combo.
Destroy 100 Spamicopters.
Send over 500 enemies to opponents in Battle Chains games.
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