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