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