Here is the full list of all 30 Temporian achievements.
Craft your first farm
Craft your first home
Trade with the Traveller
Returned to an advanced age
I'm afraid it was just your time
They weren't ready for this technology
Settle a realm after sacrificing your people
Settle a realm without sacrificing anyone
Leave no trace behind
This is my home now
Starving
Craft a Village
Settle a realm without sacrificing anyone on Brutal difficulty
Have 100 food in storage
Hey, new friend, I'm glad you made it!
Wow! Doesn't that seeded bread look delicious!
Complete the Nomad quest chain
They've been here from the beginning...
Why would you even try that?
You are the first
Convince the Flower Girl to join you
Get the Advanced ending on brutal difficulty
Get the Apocalyptic ending on brutal difficulty
Get the Immortal ending on brutal difficulty
Get the Home ending on brutal difficulty
Complete the Groggy Scenario
Complete the Popular Scenario
Complete the Shattered Scenario
Complete the Ruined Scenario
Complete the Assistant Scenario