Humanity

Complete Sequence 7: CIVILIZATION and collect all the GOLDY's in the chapter and this will pop - this starts at:

3:39:10 – Sequence 7: CIVILIZATION

Full Walkthrough for all achievements guys, timestamps for all achievements are on video chapters

There are 150 Goldys to find throughout the game with many levels having multiple to collect. You'll need to lead your people to the Goldy to collect them and then deliver them to the goal block with the rest of your people using commands.

Here is a full video walkthrough with all solutions, all Goldys, and achievements! (Timestamps in YouTube Description)