The The Foundation Add-on for Control Ultimate Edition has 10 achievements.
Find all hidden locations in the Foundation
Gather all the Maneki-nekos
Complete the Side Mission: "Jesse Faden starring in 'Swift Platform'"
Discover the Astral Plane restroom
Use Shape and Fracture a combined total of 100 times
Kill 50 Hiss Sharpened
Kill 100 enemies with Shield Rush
Collect all Collectibles in the Foundation
Have a Deployed Ranger kill 50 enemies
Complete all Missions in the Foundation