One of the first "experimental" IF of the modern day, Undo
is a very short, very strange game with a simple premise: you're playing an adventure game on a corrupted disk. All you need to do now to win is get past the duck and the frog. But the game is corrupted-- so how will you proceed?
Undo has been called an "anti-game" by many IF fans, and for good reason. The game is packed with self-reference, and a very creative use of logic (or is that anti-logic?) is required to "win" the game. Definitely a cult classic, and NOT everyone's cup of tea. Once you beat it, you'll probably either really like the game (like I do), or dismiss it completely as a waste of time. Either way, Undo is one of the cornerstones of modern-day IF scene, and a commendable attempt to break the mold. Well worth a look, but be prepared to get frustrated if you are not used to thinking "out of the box" ;)