Affluent
Get 10,000 coins in the campaign
Combo Killer!
Get combo kills until you reach 200
Combo Master!
Get combo kills until you reach 1000
Crystal Lich
Kill the Crystal Lich in the survival level on medium difficulty without having any crutches enabled
Desert Zone...
...is far away from the Green Hill Zone
Do it like Jones
It was better in the movie
Doomed Space Marine
Find the fourth easter egg
Earth & Void
Find the third easter egg
Full House
Beat both the Castle Hammerwatch and the Temple of the Sun campaigns
Genocide
Kill 250,000 enemies in the campaign
Hard Crystal Lich
Kill the Crystal Lich in the survival level on hard difficulty without having any crutches enabled
Harvesting
Find the first easter egg
Mass murder
Kill 2,500 enemies in the campaign
Massacre
Kill 25,000 enemies in the campaign
Midway
Air-walk between the start and the end!
Millionaire
Get 1,000,000 coins in the campaign
Pyramid of Fear
Enter and exit the Pyramid of Fear
Rich
Get 100,000 coins in the campaign
Serious Pickup
Seriously?! That's what I got?
Survivalist
Survive the castle collapsing
Temple of the Sun
Complete the Temple campaign
The Dragon
Kill the Dragon on medium difficulty without having any crutches enabled
The Dune Sharks
Kill the Dune Sharks on medium difficulty without having any crutches enabled
The Frost Sorcerer
Kill Krilith on medium difficulty without having any crutches enabled
The Grisly Combination
Solve it like it was E1M4
The Hard Dragon
Kill the Dragon on hard difficulty without having any crutches enabled
The Hard Dune Sharks
Kill the Dune Sharks on hard difficulty without having any crutches enabled
The Hard Frost Sorcerer
Kill Krilith on hard difficulty without having any crutches enabled
The Hard Knight
Kill the Knight on hard difficulty without having any crutches enabled
The Hard Lich
Kill the Lich on hard difficulty without having any crutches enabled
The Hard Queen
Kill the Queen on hard difficulty without having any crutches enabled
The Hard Sun Guardian
Kill Sha'Rand on hard difficulty without having any crutches enabled
The Heist
Find the second easter egg
The Knight
Kill the Knight on medium difficulty without having any crutches enabled
The Lich
Kill the Lich on medium difficulty without having any crutches enabled
The Queen
Kill the Queen on medium difficulty without having any crutches enabled
The Sun Guardian
Kill Sha'Rand on medium difficulty without having any crutches enabled
Worse than Ghost and Goblins
Fail, where they fail: http://www.youtube.com/watch?v=-IAVCdu_DDs#t=467