Secret Achievements

Zero Saints Thirty (10 points): Completed 'Zero Saints Thirty' and won the adulation of America.

Bouncin' with an Old Friend (25 points): Completed Gat's Quests, Loyalty Mission, and Romance.

You Chose... Poorly (10 points): Surrendered to the Simulation in the end.

The following achievements require the "Enter The Dominatrix" bonus downloadable content:

All Too Easy (10 points): Kill Zinyak in less than 5 minutes in "Save the Planet".

Indomitable (10 points): Complete "Meet the Dominatrix" without dying.

Rigging the Race (10 points): Destroy all the rival pony carts in "At the Races".

Bow to the Boss! (15 points): Kill the Dominatrix in "Escape the Dominatrix".

Friend of the Raptors (20 points): Complete all five missions.

Hello Little Friend (5 points): Get 250 kills with the Minigun.

OMGWTFBBQ (5 points): Get 100 kills with the Flamethrower.

Ultimate Hot Potato (5 points): Get 100 kills with the Grenade Launcher.

Additionally, there is one secret achievement with the "Enter The Dominatrix" bonus downloadable content:

Walking the Dinosaur (10 points): Spent 30 minutes with Chicken Ned's prehistoric ancestor.