Delightful Wallpaper is a piece of interactive fiction written by Andrew Plotkin. The game was created with Inform 7 and is available for free both in source form and a Z-code Blorb package. Interpreters are available for a wide variety of platforms, and the game can also be played online using a web browser.
The objective of the game is to solve a mansion murder. Who or what the playable character is, is part of the mystery.
2006 XYZZY Awards
Winner: Best Writing, Best Puzzles, Best Individual Puzzle, Best Individual PC
Nominee: Best NPCs
12th Annual Interactive Fiction Competition (2006)
Overall: 6th Place
Miss Congeniality Awards: 1st Place
Interactive Fiction Top 50 of all time (2011 edition)