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