The Baba Yaga Add-on for Rise of the Tomb Raider has 22 achievements worth 250 gamerscore.
Baba Yaga: Complete every Wicked Vale Score Attack with a gold score
Baba Yaga: Complete a Wicked Vale Score Attack with a gold score
Baba Yaga: Kill 50 enemies while wearing the Wraithskin outfit
Baba Yaga: Kill 10 enemies while wearing the Wraithskin outfit
Baba Yaga: Confuse 10 enemies with the Dreamstinger
Baba Yaga: Confuse 3 enemies with one shot from the Dreamstinger
Baba Yaga: Attempt any Wicked Vale Score Attack
Baba Yaga: Confuse an enemy with the Dreamstinger
Baba Yaga: Fall to your death from the Lift
Baba Yaga: Equip the Dreamstinger and Wraithskin outfit together
Baba Yaga: Collect all of the Documents in the Wicked Vale
Baba Yaga: Ride the Lift back to the other side
Baba Yaga: Complete the Challenge in the Wicked Vale
Baba Yaga: Unearth all Survival Caches in the Wicked Vale
Baba Yaga: Speak to Nadia again before leaving the Wicked Vale
Baba Yaga: Unmask Baba Yaga
Baba Yaga: Activate the Ancient Lift
Baba Yaga: Collect 50% of the Documents in the Wicked Vale
Baba Yaga: Craft the Antidote
Baba Yaga: Face the Witch and live
Baba Yaga: Enter the Wicked Vale
Baba Yaga: Rescue Nadia from Trinity