Here is the full list of all 50 Risen achievements.
2000 monsters killed
All crystals learned
"The fourth seal of rune magic" completed
Every close combat talent learned
Find Helmar's murderer completed
"The test of Master Ignatius" completed
"Pease and order" completed
20 tool bags collected in inventory
Every ranged combat talent learned
100% achieved in three attributes
Caught by the tideworm 10 times
100% achieved in an attribute
100 weapons forged
300,000 gold coins obtained
100,000 gold coins obtained
25 Jest spells used
"Defeat the Titan!" completed
"The Inquisitor is dead!" completed
"Find all the teleport stones" completed
250 quests completed
100 locks picked
10 treasures found
20 chickens killed
"The Titan trap" completed
"Secure the volcano keep" completed
"Find all the vassal rings" completed
"Esteban's return to Harbour Town" completed
Rescued the orge, Drok
"The legend of the Gyrger" completed
500 monsters killed
Every Crafting profession learned
"Where is Patty?" completed
"The mystery of the eastern temple" completed
50 pockets picked
"The sons of Tilda" completed
20 wild boars killed
"A package for the Don" completed
"Woman beater" completed
"Medicine for everyone" completed
The farmer's sick wife completed
1000 gold coins obtained
"Power struggle" completed
Found way out of the first ruin
Fell to death 3 times
10 grain plants collected
Seven grave moths killed
Found first bow
"Rescue Sara from the wilderbess" completed
Found first map in the game
First monster killed