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