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