Collect all trophies.
Purchase all Ring Power upgrades.
Purchase all upgrades.
Clear all missions on Emerald Knight difficulty.
Complete the game on Poozer or Enforcer difficulty.
Clear Mission 10.
Clear Mission 9.
Collect all 5 Blue Meteorites.
Collect all 9 Green Meteorites.
Purchase all Ring Surge upgrades.
Clear a mission in Co-op.
Clear Mission 8.
Clear Mission 7.
Gain experience level 10.
Defeat 20 enemies with Jet Fighter.
Purchase all Attack upgrades.
Purchase all Construct upgrades.
Clear Mission 6.
Defeat 10 enemies with Piston Blitz.
Clear Mission 5.
Clear Mission 4.
Defeat 20 enemies with Mech Suit.
Defeat 20 enemies with Missile Pack.
Perform a 99 hit combo.
Defeat 10 enemies with Baseball Bat.
Defeat 10 enemies with Rocket Punch.
Clear Mission 3.
Gain experience level 5.
Use Ring Surge 10 times.
Defeat 10 enemies with Hover Mines.
Defeat 10 enemies with Gatling Gun.
Defeat 20 enemies with Mace Storm.
Defeat 10 enemies with Blade Whip.
Clear Mission 2.
Clear Mission 1.
Perform a 50 hit combo.
Defeat 10 enemies with War Hammer.
Make Green Lantern dizzy 10 times.
Launch 20 enemies.
Defeat 10 enemies with Ring Blaster.
Perform a 20 hit combo.