Here is the full list of all 56 Unavowed achievements. It takes around 25-30 hours to unlock all of the achievements on Windows.
We'll do it right this time
Resistance is futile
The only way to be sure
Defeat a foe with firsthand knowledge
Complete the male cop origin
Nice try
A villain escapes her punishment
Well skewered, Mandana
Perhaps it was meant to be this way...
Get to the truth of what happened
Disperse the ghost on Wall Street
Complete the female actor origin
Start four missions with Mandana and Logan
Choose Mandana six times for missions
Choose Logan four times for missions
There's a new muse in town
Free the Brooklyn ghost
Disperse the Staten Island ghost
Complete the male bartender origin
Enter the Eddings house using Mandana
Why take the risk?
Complete the female cop origin
Complete the female bartender origin
Free at last
Reach the final end with your full crew in tow
Free of torment at last
A deal has been struck
Calli returns to her former position
No mercy for the trees
There's a new statue in the North Grove
Calamari for a year!
Show sympathy for one of nature's creatures
Welcome Logan to the party
Enter the Eddings house using Vicki
Welcome Vicki to the party
Nobody has to die tonight
A new world. A new life.
Food tames the beast
Complete the male actor origin
Needlessly unlock the same door in two different ways
Finish three missions with an all male party
Embark on three missions with an all female party
Visit a special location on a certain day
Embark on four missions with Eli and Logan
Head out four times with Eli and Vicki
Select Mandana and Vicki four times for missions
Keep Eli and Mandana together for six missions
Choose Eli six times for missions
Choose Vicki four times for missions
No muse in Brooklyn tonight...
Better safe than sorry
Kevin now has a second chance
Finish a jailbreak without getting chided by a ghost
Leave commentary mode on for the entire game, from the opening menu to the closing credits.
Never ask your friends for a hint
Reach the final confrontation alone