Here is the full list of all 50 Dead In Vinland achievements.
Finish the game (Nice Vacation difficulty)
Finish the game (Survival difficulty)
Slay Björn after poisoning him
Kill the volcano
Convince Gwendolen to join your cause
Get the Orichalcum Breastplate
Explore every area of the island
Convince Njall to join your cause
Convince Egill to join your cause
Get the Orichalcum Greaves
Deal more than 15 damage in a single hit
Craft 75 upgrades (multiple playthroughs)
Spend a night without fire
Get the Orichalcum Gauntlets
Explore 100 areas
Convince Grim to join your cause
Get the Orichalcum Helmet
Craft all stations in the camp
Forge 150 items (multiple playthroughs)
Win 50 fights (multiple playthroughs)
Get a character to level 15
Explore 50 areas
Get the Skull Ball
Get a character to level 10
Get a skill up to 100
Give the maximum tribute to Elof
Accumulate 10 negative traits on one character
Win 10 fights (multiple playthroughs)
Kick a character
Get a character to level 5
Explore 10 areas
Recruit your first ally
Lose a character
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...
Go inside the volcano without protection and get out alive
Raise 5 sheeps simultaneously
Slay Björn
Kill Elof
Have one of your characters murder another one
Kill Loki
Have 10 characters in your village
Finish the game without losing anyone (min. 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)