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
Convince Grim to join your cause
Get the Orichalcum Breastplate
Explore every area of the island
Convince Egill to join your cause
Have one of your characters murder another one
Get the Orichalcum Greaves
Convince Gwendolen to join your cause
Lose a character
Go inside the volcano without protection and get out alive
Get the Orichalcum Gauntlets
Explore 100 areas
Craft 75 upgrades (multiple playthroughs)
Raise 5 sheeps simultaneously
Get the Orichalcum Helmet
Forge 150 items (multiple playthroughs)
Have 10 characters in your village
Get a character to level 15
Get the Skull Ball
Explore 50 areas
Kick a character
Win 50 fights (multiple playthroughs)
Craft all stations in the camp
Get a skill up to 100
Get a character to level 10
Accumulate 10 negative traits on one character
Deal more than 15 damage in a single hit
Win a fight with 2 looters in your team
Win 10 fights (multiple playthroughs)
Explore 10 areas
Give the maximum tribute to Elof
Get a character to level 5
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
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)