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