Here is the full list of all 9 SHAFTED achievements.
Win a game on Short difficulty.
Win a game on Medium difficulty.
Win a game on Long difficulty.
Win a Short game in under 10 minutes.
Win a Medium game in under 20 minutes.
Win a Long game in under 30 minutes.
Win a Short game in 7 days or less.
Win a Medium game in 14 days or less.
Win a Long game in 21 days or less.