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