Here is the full list of all 5 Yellow achievements.
The base game contains 0 achievements, and there is 1 DLC pack containing 5 achievements.
The clones have spawned. You must survive!
It's just a punch line, Don't mind it
You entered a radioactive room and it's killing you slowly
Just run for your life!!! Don't look back!
It doesn't like the lights. The undocumented entity is out there, in the dark.