This app was mentioned in 4 comments, with an average of 15.25 upvotes
Reading this reminded me of a game called 100 Floors, you have to solve puzzles to open the elevator doors to go one level up, Does he have a smartphone? If so recommend it to him! It's great fun!
Links: Itunes: https://itunes.apple.com/us/app/100-floors-can-you-escape/id517845106?mt=8 Google play: https://play.google.com/store/apps/details?id=com.tobiapps.android_100fl&hl=no Good luck with the Skyrim mods.
https://play.google.com/store/apps/details?id=com.tobiapps.android_100fl&hl=en - Click this if you're English. Fun game, thanks for telling us about it.
Edit: I changed my mind this game sucks.
You sure it's not this one?, I think I recall something like that in this one.