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