Here is the full list of all 12 The Dishwasher: Dead Samurai achievements worth 200 gamerscore.
Earn 100 million points in an Arcade level.
Complete Arcade mode.
Air juggle an enemy for 10 seconds.
Complete St. Crux Cemetery using only the Chainsaw.
Beat the game on Samurai difficulty.
Hit the Xbox Guide button while playing a killer solo.
Impale 13 freaks.
Beat the game on normal or ninja difficulty.
Defeat the Sinthesis A.I.
Get 21 kills without getting hit once.
Defeat the dude on the horse.
Do 10 wall slams in one combo.