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