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