The Talos Principle 2
87 Achievements
40-50h
Steam
Chicken
Refuse to go along on the expedition.
9.8%
How to unlock the Chicken achievement in The Talos Principle 2 - Definitive Guide
Missable, but very early on in the game you'll be asked to board the VTOL and explore the island. Just refuse to go on the expedition and this should pop.