From the Depths achievements

Destroy Eris in Quest for Neter on Easy difficulty or above

Save a sub-object that costs more than 50,000 materials

Achieve a sustained speed of 150m/s below 500m altitude in designer with a vehicle you've made yourself. Neter standard physics.

Take part in a campaign battle with 3 or more teams involved in it (including you). Fixed-difficulty built-in campaigns only.

Destroy 1000 missiles in the campaigns/missions/adventures of built in planets (using standard game constants)

Get one of your own designs beyond version 100

Gift a total of 1 million commodities to your forces in a (fixed difficulty) campaign on a built-in planet.

Destroy the Onyx Throne in Quest for Neter on Easy difficulty or above

Destroy the Davy Jones Outpost in Quest for Neter on Easy difficulty or above

Kill 500 volume per second in a campaign battle (on fixed-difficulty built-in campaigns with standard game constants). Measured when the battle ends.

Defeat 5 small (<30k volume) godlies in (fixed difficulty) campaigns, missions, or adventures on built in planets using standard game constants

Defeat a unit in the campaigns/adventures/missions of built-in planets whilst it still has 99% of its blocks alive