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