Hunter, in Darkness is a piece of interactive fiction written by Andrew Plotkin. The game was created with Inform 6 and is available for free both in source form and a Z-code game file. Interpreters are available for a wide variety of platforms, and the game can also be played online using a web browser.
A text adventure where you crawl around in a cave and try to survive. It is a tribute to a specific kind of early computer game, but telling which one would be a spoiler.
1999 XYZZY Awards
Winner: Best Setting, Best Individual Puzzle
Nominee: Best Individual NPC, Best Use of Medium
5th Annual Interactive Fiction Competition (1999)
Overall: 8th Place
Miss Congeniality Awards: 2nd Place