Here is the full list of all 19 7 Billion Humans achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Finish the Mom and Dad of Invention cutscene.
All levels complete. Congratulations.
Red path fully optimized.
Orange path fully optimized
Finish the Morning Petroleum cutscene.
Blue path fully optimized.
Green path fully optimized.
Your solution fails more than 50% of the time.
Finish the Fitness Program cutscene.
A worker is shredded by a killbot.
A worker exploded.
Listen to all worker thoughts in a level.
A worker is shredded by a shredder.
A worker is a crushed by an appliance.
Solve any puzzle with at least 4x the number of seconds required by the speed challenge.
Solve any puzzle with at least 4x the number of commands required by the size challenge.
Finish the Intro to Morale Officers cutscene.
A worker fell into an infinite pit.
Finish the You're Hired! cutscene.