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