Shatter 25 frozen enemies.

Get Ratchet's Nanotech up to 200 (Maxed out!)

Attain All 30 Skill Points

Kill eight enemies in eight seconds using the Darkstar Fission Tether with two or more teammates.

Use the Co-op overload to kill 60 enemies.

Have 100,000 bolts banked.

Shoot all of the slorgs back into the waters of Octonok Cay.

Kill 500 enemies.

Defeat the Wigwump.

Defeat the octomoth.

Kill 50 enemies with the AK-47

Defeat the Z'Grute.

Kill eight enemies in two seconds.