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.
Catch a fish.
Learn Maria's whole story.
Build everything in your campsite.
Save another train crash survivor.
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 Siergiej's whole story.
Learn Wadim's whole story.
Learn Zofia's whole story.
Looks like you're kinda lonely...
Enter a cave and explore its dark corridors.
Hunt a moose.
Locate a package hidden by the woodcutters.
Renegates have located your camp.
Kill one of the pursuers.
Survive a wolfpack attack on your camp.
Survive an encounter with a wolf during exploration.
Amputate a feet and a hand of one of the characters.
Meet Rasputin.
Find a talking wolf.
Unlock all achievements.