Terra Invicta achievements

Build a Titan

One of your councilors dies of old age

Refit an existing ship

Colonize Neptune

Conduct an orbital bombardment

Colonize Io

Control a nation that completes a nuclear weapons program

Colonize Saturn

Build a ship with 4G combat acceleration

Have one of your ships stolen by another faction

Have one of your stations stolen by another faction

Control 42 Habs