Warning: all of these have scenes of extreme violence, pain, and death. Very NSFW.
"Mortified" is a fun short-short, barely 2 minutes long and offering a fine grin:
"Twinkle Toes" is the most complex and ambitious story of the lot, a violent piece about revenge. It plays games with your expectations. For instance, don't be sure as to who owns that severed foot:
"Don't Move" is a very gory and always tense bit based around a shocking in media res setting.
"Blood Roulette" has an interesting twist to the Russian shooting game.