Here is the full list of all 26 Help Will Come Tomorrow achievements.
Finish the game with all survivors alive.
Finish the game with a good ending.
Learn Zofia's whole story.
Amputate a feet and a hand of one of the characters.
Save another train crash survivor.
Kill one of the pursuers.
Renegates have located your camp.
Learn Anna's whole story.
Learn Aleksei's whole story.
Learn Dmitri's whole story.
Learn Edward's whole story.
Learn Grigorij's whole story.
Learn Maria's whole story.
Learn Siergiej's whole story.
Learn Wadim's whole story.
Looks like you're kinda lonely...
Build everything in your campsite.
Catch a fish.
Enter a cave and explore its dark corridors.
Hunt a moose.
Locate a package hidden by the woodcutters.
Survive a wolfpack attack on your camp.
Survive an encounter with a wolf during exploration.
Meet Rasputin.
Find a talking wolf.
Unlock all achievements.