Here is the full list of all 50 Dead In Vinland achievements.
Finish the game (Nice Vacation difficulty)
Slay Björn
Kill Elof
Kill the volcano
Raise 5 sheeps simultaneously
Get the Orichalcum Breastplate
Kill Loki
Convince Egill to join your cause
Convince Gwendolen to join your cause
Convince Njall to join your cause
Get the Orichalcum Greaves
Get the Orichalcum Gauntlets
Get the Orichalcum Helmet
Get the Skull Ball
Explore every area of the island
Convince Grim to join your cause
Win 50 fights (multiple playthroughs)
Go inside the volcano without protection and get out alive
Lose a character
Explore 100 areas
Have one of your characters murder another one
Explore 50 areas
Get a character to level 15
Accumulate 10 negative traits on one character
Deal more than 15 damage in a single hit
Craft 75 upgrades (multiple playthroughs)
Win a fight with 2 looters in your team
Have 10 characters in your village
Craft all stations in the camp
Forge 150 items (multiple playthroughs)
Get a character to level 10
Get a skill up to 100
Win 10 fights (multiple playthroughs)
Get a character to level 5
Explore 10 areas
Give the maximum tribute to Elof
Recruit your first ally
Win your first fight
Win a fight with only one character
Defeat 3 enemies with single attack
Make Björn loses his patience
Spend a night without fire
You succeeded, yet you didn't survive...
Slay Björn after poisoning him
Kick a character
Finish the game without losing anyone (min. Survival difficulty)
Finish the game (Survival difficulty)
Finish the game (Extreme Conditions difficulty)
Finish the game (Survival difficulty and True Viking)
Finish the game (Extreme Conditions difficulty and True Viking)