Huntdown

Assassin

Get 100% completion in Badass Mode

Contract Killer

Get 100% completion in Hard Mode

Mercenary

Get 100% completion in Normal Mode

Nose for Easter Eggs

Find at least 5 secret locations

Taste of her own medicine

Make Suki the Sniper kill herself with her own missile

Yippee Ki Yay

Complete a level without picking up any weapons

Baseball Fury

Kill 10 enemies with a Baseball Bat on one level

This is my boom-stick!

Kill 10 enemies at close range with a Sawed-off on one level

I can do better

Press the retry button after completing a level

Everlasting Patience

Watch all of Wolfmother's briefs without pressing skip

Cannonball Run

Destroy 5 cars at the Overseer's Fume Pit without dying

Looks that Kill

Trash a guitar on Sid Handsome

Hunter

Defeat the Shogun

Duck Hunt

Kick and shoot 10 enemies with a Shotgun before they hit the ground on one level

Loyal Customer

Get kicked out by Tony 5 times at the same checkpoint

Play Fetch

Kill a dog by making it fetch a grenade

Slap Shot

Get hit by Nadja Drago's hockey stick and land in the goal

I'll be back

Restart more than 5 times during a fight with a bounty

Ain't got time to bleed

Kill a bounty while having one health point left