The Frontiers Add-on for Anno 2205 has 16 achievements.
Defeat your first invasion.
Complete the Sector Project in Madrigal Islands.
Complete the Sector Project in Greentide Archipelago.
Have 13 active world market routes.
Drill out a geyser in Savik Province.
Drill out all geyers in Savik Province.
Gain Synthetics employees.
Have 4,000,000 Synthetics on Veteran difficulty
Settle in all three "Frontiers" sectors.
Defeat every type of Invasion once.
Defeat 10 Invasions on Veteran difficulty.
Defeat 10 Eradicators during Invasions.
Settle all islands in Greentide Archipelago.
Settle an island with 101,010 Synthetics and no other employees.
Use any destructive special action on one of your cities.
Use Geoengineering 50 times with one corporation.