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