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Parkeologist You opened all of the garages in South Park.

Following the Footsteps Viewed Anderson's first Holographic Log

Superhighway Complete 10 Public Online Races

Bolt From the Blue In the Main Campaign, killed 5 enemies with a headshot while riding a Sky-Line.

Strange Bedfellows In the Main Campaign, killed 20 enemies using allies brought in through a Tear.

Hack & slash Kill 250 zombies using edged melee weapons.

Hohokum Remix: Guitar Loops Sculpt these ethereal guitar and bass melodies.

Hohokum Remix: Bass Build your own bassline from this pulse.

Hohokum Remix: Synth Loops Complete the mix with a splash of analog electronics.

Hohokum Remix: Drum Loops Rearrange the drum loops to make something fresh!

Hohokum Remix: Drum Kit Can you use these dreamy drums to make a beat?

Freeware Unlock every Skill in the Skills Tree

Mile High Club Sky dive to safety on Veteran difficulty.

Calypso’s Wishes Perform a Level 3 Super with Sweet Tooth on 'Black Rock Stadium'

Secret Plans Completed Special Operation 217

Free Association Join a multiplayer network

Beat School: Something Smells Funky in Here! Time to do the funky laundry!

Beat School: Interstellar Funkonauts May the funk be with you.

Beat School: 3001 A Bass Odyssey Take this bassline for a spin around the galaxy!

Interpol HQ Break-In Perform a Level 3 Super with Sly Cooper on 'Paris'

Beat School: Set Phasers to 'Funk' When the mothership is under attack, fight back with a funky loop.

Beat School: Mission to Planet Drums 3, 2, 1... funk off!

Road Rage Complete every Criminal Convoy

Shopaholic You have collected half of the available costume sets.

That's a Spicy Meat-a-ball Kill an enemy by attaching a Remote Bomb to them and detonating it.

Savior Save 5 people besieged by zombies.

Jeet Thrives Reduce threat to 0 in the Balefire Flatland region around Jeet's Stronghold

Make it Rain! You've spent $500.

Animal Cruelty You've farted on animals 25 times.

I Chose The Impossible Perform a Level 3 Super with Big Daddy on 'Columbia'

1st Place at the Science Fair Create all items that contain Chem Fluid and Strong Chem Fluid.

Unlicensed Nuclear Accelerator Found the Arc Tool

Gem Collector Collected a total of 20,000 precious gems.

Combo Virtuoso Land a 70+ AP Combo in Practice Mode

To put it bluntly Kill 250 zombies using blunt melee weapons.

Calling CQ Powered the Beacon

Kerwan’s Capital City Perform a Level 3 Super with Ratchet on 'Metropolis'

End of Line Complete 40 Fixer Contracts

Hold My Hair Take a picture of someone vomiting

4 Bars Retrieved a working Uplink Module

Flawless Freeflow Fighter Complete one combat challenge without taking damage

One-Man Garage Buy 25 cars in car dealerships

Master of the Ray Sphere Perform a Level 3 Super with Cole or Evil Cole on 'Alden's Tower'

Autarch of Helghan Perform a Level 3 Super with Radec on 'Invasion'

See You at the Party Defeated Richter

Humanitarian Kill 50 human enemies.

Weapon Master Get a kill with each type of handheld gun, explosive and launcher in the single player campaign.

REX versus RAY Perform a Level 3 Super with Raiden on 'Franzea'

The Smart Driver Complete a Scatter Death Run

Precious Cargo Located the Ark