TheRealClayman

Party Pooper KO all the henchmen celebrating your arrival at the party

Get Rich or Die Flyin' Get all wheels of your car into the air for at least twenty meters and then touch the ground again.

The Wild Ones Complete Chapter 8.

Man of Honor Complete Chapter 9.

Hey Joe Clean up after Joe.

Checking Out Complete Chapter 10.

Our Good Friend Complete Chapter 11.

Chasing the Dragon Complete Chapter 12.

Chop Chop! Complete Chapter 13.

The Mafia Never Forgets Pay a visit to an old friend.

Out for Justice Learn what it means to be a Scaletta.

Men at Work Complete Chapter 14.

Sharp Suiter Buy your first luxury suit.

Proper Scrapper Sell five vehicles to Mike Bruski at the scrapyard.

Finish Him Finish What you started.

End of the Rainbow Settle the score with the Irish once and for all.

Dream Handling Upgrade one of your cars to the maximum level.

Frequent Flyer Landed 10 gravity kicks without landing or taking damage.

Lucky Winner Hit the jackpot at a slot machine

Made Man Finish the story on medium difficulty or higher.

Irony The player has taken a picture of Sander Cohen's corpse

Five Fully Upgraded Weapons Fully upgrade five weapons

Riddle Resolver Solve 85% of Riddler challenges

Letting Old Ghosts Die Completed Episode 9.

Poco Chinpoko You collected 5 Chinpokomon.

Pedal to the Metal Travel at 125 mph.

Wake Up Call Help Leo out of a tricky situation without getting caught.

Shutout You successfully blocked every enemy attack in a single (non-tutorial) battle.

Curiosity Killed the Cat Completed Episode 10.

Skilled Defender Over the course of the game, you've blocked 100 attacks.

Thick Skin Completed Episode 11.

Crack The E Nigma Solve every riddle on the island

Weapon Proficiency Over the course of the game, you've scored 100 perfect attacks.

World's Greatest Detective Spirit of Amadeus Arkham revealed

New Kid On The Block You have joined the KKK.

Look Out Below Completed Episode 12.

Kids Just Don't Understand Completed Episode 13.

Knucklehead Kill a total of thirty enemies using melee attacks.

Hairdresser Kill five enemies in rapid succession with a headshot.

Tonic Collector Collect or Invent 58 Tonics in the Physical, Engineering and Combat tracks

Found Cohen's Room The player has entered Sander Cohen's personal quarters

The Lost Tribe Completed Episode 14.

Petrol Head Drive at least thirty different vehicles.

Memories of Another World Completed Episode 15.

Children of the Past Completed Episode 16.

First Day in South Park You completed your first day in South Park.

Mastery You've unlocked all of the upgrades for a New Kid ability.

Fading Light Completed Episode 17.

Stay Down You farted on 10 enemies in the world that were knocked out.

Tough Nut Finish the story on hard difficulty level.