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