You need a Glulx interpreter to run .gblorb files. Popular choices include: Lectrote (Modern, desktop) Gargoyle (Classic, supports many formats) Frotz (Available on mobile and desktop)
If you can tell me or what kind of game you are expecting, I might be able to help you find more specific details! DiaperQuest220916.gblorb
These types of niche games are typically hosted on community sites like The Interactive Fiction Database (IFDB) or itch.io . You need a Glulx interpreter to run