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