Sid Meier’s Civilization VI achievements

Dread Pirate - Sink 10 ships while using Walk the Plank across multiple games.

Defeat an Infantry unit whose capital is on another continent with an Oromo Cavalry

Aliens - Attack while cloaked 20 times.

Wanderers - Explore 30 city ruins across multiple games.

Use a max-promotions Soothsayer to sacrifice a max-promotions GDR.

Be the last person standing after comets begin falling.

Preppers - Have 5 units earn 5 promotions across multiple games.

Ransom 5 units from Barbarian Clans in a single game.

Hoarder - Sink or capture a treasure ship while a treasure escort is locked by a chainshot.

Swashbuckler - Visit the tavern of 10 ports in a single game.

As Portugal, have a Trading Post in cities belonging to Brazil, India, and Japan.

Pirates - Spend 50 turns in the water across multiple games.