Stellar Monarch 2 achievements

Arrange a political marriage with another noble house.

Reach Stability 90.

Win the 'Unifier of the Empire' scenario.

Win the game on any difficulty.

Win the game on Hard or Insane difficulty.

Pass all reforms.

Win the 'Conqueror of Stars' scenario.

Win the 'Enlightened Ruler' scenario.

Pass all laws.

Crush the rebellion at least once.

Reach level 12 in all fields of science.

Reach Centralization 11.