The The Tribe Add-on for Drop Duchy has 7 achievements.
Earn over 200 resources with the Stone Circle in a single round
Recruit 32 Units with your Cairns in a single round
Gain 100 Food with the Stone Circle in a single round
Beat Act 1 using only the Stone Circle as production building
Beat Act 1 with The Tribe
Beat Act 2 with The Tribe
Beat Act 3 with The Tribe