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