There is no guide for this game yet. But apparently it is EASY POINTS! 

Charmed - 30 points

Complete Terradino

Chili Fries!!! - 30 points

Complete MorOtesi

Freaked Out! - 30 points

Complete Anur Phaetos

Now, it's Hero Time! - 30 points

Fully Upgrade All 10 Alien Forms

Power Outage - 30 points

Complete Encephalonus IV

Primus Link Reestablished - 30 points

Unlock All 10 Alien Forms

Protector of Earth - 30 points

Complete Bellwood

Repo Man - 30 points

Destroy 15 cars in Bellwood

Trash Compactor - 30 points

Complete Vulpin

Voided D'Void - 30 points

Complete Null Void

DNAided - 40 points

Achieve Maximum Health by Collecting 15 Red Plumber Badges

Omni-tricked Out! - 40 points

Achieve Maximum Energy by Collecting 15 Green Plumber Badges

Brain Power - 50 points

Destroy 150 enemies with Brainstorm

Smells Like Victory - 50 points

Destroy 150 enemies with Swampfire

Web of Defeat - 50 points

Destroy 150 enemies with Spidermonkey

That'll be 'Saur Tomorrow - 50 points

Destroy 150 enemies with Humungousaur

Deafening Defeat - 50 points

Destroy 150 enemies with Echo Echo

Road Rash - 50 points

Destroy 150 enemies with Cannonbolt

Splat! - 50 points

Destroy 150 enemies with Goop

The Iceman Cometh - 50 points

Destroy 150 enemies with Big Chill

Brain Power - 50 points

Destroy 150 enemies with Brainstorm

Lights Out! - 50 points

Destroy 150 enemies with Chromastone

Mach Speed Mauler - 50 points

Destroy 150 enemies with Jet Ray

True Hero - 60 points

Destroy 150 enemies with Ben

Protector of the Galaxy - 60 points

Complete all Levels