Alien Hominid - Have the full game of Alien Hominid HD on your Xbox 360 HDD and get at least one achievement in it
Barbarian - Beat King's Arena
Bear - Beat the game with Skeleton
Beekeeper - Beat the game with The Barbarian
Black Knight - Beat the Game with Grey Knight
Brute - Beat the game with The Eskimo
Civilian - Beat the game with Peasant
Commoner - Beat game with peasant knight
Eskimo - Complete Icy Arena offline
Fencer - Beat the game with Mechanic
Forest Knight - Beat the game with the Thief
Grey Knight - Defeat the Barbarian Boss
Mechanic (Gear Knight) - Beat the game with Blue Knight
Ninja - Beat the game with The Red Dragon Knight
Peasant - Complete the "Peasant Arena"
Periwinkle Knight - Complete the "Volcano Arena"
Red Dragon Knight - Beat Game With Orange Knight
Royal Guard - Complete the game as Green Knight.
Saracen - Beat the game with Royal Guard
Skeleton - Complete the game as Red Knight
Thief - Beat Thieves Arena