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