You Don't Know Jack Movies -
https://store.steampowered.com/app/260000/YOU_DONT_KNOW_JACK... I own it, but I can't add it to my collection. It doesn't appear to have achievements, but still I'd like it in my collection.
Also, When Ski Lifts Go Wrong -
https://store.steampowered.com/app/638000/When_Ski_Lifts_Go_...Bought it on Humble Bundle today and it appears to actually have achievements.