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