Baba Yaga: Face the Witch and Live

Baba Yaga: Rescue Nadia from Trinity

Inflict 100,000 damage to enemies.

Use a Portal for the first time.

Perform 10 climbs with your teammates in Co-op or Versus.

Kill 100 enemies while aiming.

Kill 3 enemies with a single grenade in Co-op or Versus.

Finish one match of any Versus mode.

Complete the Basic Training.

Heal yourself in combat 3 times

Stealth kill an enemy while they are having a conversation

Survive the avalanche

Translate a Monolith