Here is the full list of all 24 Soul Gambler achievements. It takes around 2-3 hours to unlock all of the achievements on Windows.
Do you believe in them?
Celebrate the end!
Nothing else to lose
...but not in control
Can be how a story ends
Maybe...
Better aim a good conduct
Be smarter than a cheater
Save ?? and question ??
You are no ladiesman, are you?
This suicide is not from the squad
Sometimes is what remains in the end
Meet someone known on the other side of the world
Don't forget your toothbrush
Officially an outlaw
You are starting to get sick of this hospital
Proof of your investigative abilities
Now you do know a bit more about the game's secrets
Solve a problem using violence
Show that you know how to handle a woman
Finish your work on time
Cut your hand and make the pact
It's impossible to escape from your fate
Never give money to a stranger