The Tundra Add-on for Anno 2205 has 10 achievements.
Complete 10 Assignments for your Vanha Plains employees.
Construct 10 Musk-ox Ranches in Vanha Plains.
Construct 10 Drilling Rigs in Vanha Plains.
Run 10 transfer routes out of Vanha Plains.
Complete the sector project in Vanha Plains.
Drain all swamps in Vanha Plains.
Produce Biocatalysts and Aerogel.
Construct a Tundra Module in every region.
Settle Tundra Scientists in one of your cities.
Drain a swamp.