Descend into the Great Underground Empire in Zork I, the legendary adventure that started it all.

Explore mysterious tunnels, collect treasures, and outsmart the dangers lurking in the dark — from lurking grues to tricky riddles that test your imagination.

Every command brings you closer to becoming the ultimate adventurer in Infocom’s classic tale of exploration and wit.

💾 Tip: You can save your adventure right in your browser!

Type SAVE, create a save file, and click the disk icon in the upper-left corner of the screen.
Your progress will stay intact as long as you don’t clear your browser cookies.