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