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