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