Here is the full list of all 49 A Trip to Yugoslavia: Directors Cut achievements.
Complete the game without dying
You survived, but you'll be remembered as a traitor.
Pick every decision that will get you killed
Time to play gravedigger...
That was a good fight
Give up...
Maybe he was telling the truth?
Survive the final attack
They surely have too much, right?
Find a place to spend the night
Find all the little aliens. You can interact with 12 of them. Group counts as well!
Meet your inevitable end
Show them what you think
Escape from the forest
Escape from the building
Complete deleted chase scene and interactive trailer
Fine, you got me...
Too bad you got shot...
View all the extras
You've uncovered all ATtY secrets. You're awesome!
That's the last time you see those leaves...
Ghost town?
That's why he's moving like that. He needs a few minutes.
Unlock all the extras
Keep you eyes peeled. Something's not right in the background...
He's always watching... Even if you're playing a different game!
He was stronger than you...
At least you saved his life.
Was it worth it?
Die three times during tutorial.