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