Here is the full list of all 35 Avernum 3: Ruined World achievements.
You have won the Avernites a home on the surface.
You won Avernum 3: Ruined World on Normal difficulty.
Find 150 outdoor locations.
You got past the alien beasts.
You've dealt productively with the queen.
Craft five nice magic items.
Have 12 potions made.
The golem factory was shut down.
Get the blessings from five stone circles. Glorious gifts await!
You've read 15 books.
You found one of the great artifacts of Valorim.
Get ten priest spells to level 3.
The troglos and giants won't be a problem now.
Get ten mage spells to level 3.
You've looted the giant treasury.
The mad priest of the troglodytes has fallen.
Sanctify five altars.
Get five priest spells to level 3.
Find 50 outdoor locations.
Get five mage spells to level 3.
The bugs were squished.
The slime has been mopped up.
You've finally returned to the surface.
You hunted down three monsters for a bounty.
You won Avernum 3: Ruined World on Hard difficulty.
You won Avernum 3: Ruined World on Torment difficulty.
You've found 8 of the Xian items.
Get twenty mage spells to level 3.
Get twenty priest spells to level 3.
Dig up 50 caches.
Join the Anama!