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