Here is the full list of all 16 Buckshot Roulette achievements.
Lose more than 1000K in 'Double or Nothing'.
Breakfast of champions.
Use all items in a single turn in 'Double or Nothing'.
Start the 'Double or Nothing' mode 10 times.
Deicide.
Check the leaderboard.
Listen to the music in the nightclub for over a minute.
Double your earnings in 'Double or Nothing' and win.
Cash out over 1,000,000 in 'Double or Nothing'.
Uncover a live round with the magnifier and shoot yourself.
Saw off the barrel, shoot yourself, and die.
Cash out immediately in 'Double or Nothing'.
Successfully shoot yourself with a blank, facing 50/50 odds.
Consume the 'Double or Nothing' pills.
Beat the game.
It rains metal here.