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