A sinkhole has opened up and Garrett speeds to plumb it.

Venturing down is difficult, but satisfying once you get the hang of it.
Because of the frequent falls I suffered at first, I'm reminded of that stupid game, "Getting Over It with Bennett Foddy".

For a mission of its size, this has an immersive atmosphere and decent story. I expected danger around every corner.

The puzzle at the end I found very confusing. There is a very specific area where you will find the final clue, but I honestly felt there was no way I could have known to look there.

Nice parkour, middling puzzlecraft.
Also, the ancient Arabic decorative texture seems out of place in Thief.