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latest version. Actually the same as the competition release
For all systems. To play, you'll need a TADS 2 Interpreter - visit tads.org for interpreter downloads.
as entered in 1995 competition
For all systems. To play, you'll need a TADS 2 Interpreter - visit tads.org for interpreter downloads.

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by Neil deMause


(based on 11 ratings)
3 member reviews

About the Story

You're almost at the end of that adventure game you've struggled so hard to beat, when things get a little crazy.
[blurb from The (Other) TADS Games List version 1.2]

Game Details

Language: English (en)
Current Version: 1.0.1
License: Freeware
Development System: TADS 2
Baf's Guide ID: 225
IFID: TADS2-6D0BBAFC879B9924EDAA3E49759F45F2
TUID: 7aggx56jw5331v1c


6th Place, TADS Division - First Annual Interactive Fiction Competition (1995)

Editorial Reviews

Baf's Guide

A tiny little weird game. The 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. Packed with self-reference. Has been called an anti-game.

-- Carl Muckenhoupt

Many of the items in the game are very neat ideas, when seen in isolation [...] However, when all these elements are just thrown together and presented as a game without any further explanation, the result is more frustrating than amusing. If there had been some hidden internal logic to be discovered it would have posed an intellectual challenge; but personally I don't find trying to solve puzzles that aren't there very challenging, especially when the only way forward seems to be trial and error; it just makes me feel like the author is pulling my leg.
See the full review

I'm afraid this game totally got the better of me. I just didn't understand what the writer was on about. Maybe his sense of humour is something that I didn't grasp or maybe he lives in a different world.
See the full review


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Number of Reviews: 3
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9 of 9 people found the following review helpful:
The Best Worst IF Game in History, December 22, 2008
by Aaron Mumaw (Appalachia)
Undo is a prank. What makes it interesting is that it is also clever, short, and (sort of) solvable. While I can't say that this is more than a two star game, it is easily a four or five star joke, and well worth the couple minutes it will take to experience it.

Out of the twelve games in the very first IF Comp two were essentially anti-games: Undo and MST3K presents "Detective." Both games were fairly hilarious meditations on badness and (for better or worse) helped stretch the definition of what would be considered acceptable IF.

Unlike this year's The Absolute Worst IF Game in History, Undo shows that a disrespectful gesture can be made in a classy way. A pie in the face every once in a while is fine: how about custard instead of cow?

2 of 2 people found the following review helpful:
An historical curiosity for the historically curious., December 27, 2012
Baf's guide says this piece "has been called an anti-game." I'm willing to bet it's been called a lot worse.

With thorough exploration, when armed with some knowledge of IF programming and history, this work can be appreciated for some of the nuances of coding and genre that it subverts. However, it is entirely unsatisfying from a narrative perspective, offering only a raw "puzzle" (technically a riddle, wrapped in mystery, inside an enigma) that is disconnected from the story's ostensible premise and any conceivable player motivation other than sheer will-to-complete.

It's really too bad. The seed idea (allegedly: trying to complete an adventure game that has become corrupted and no longer functions correctly) is the kind of scenario that might have actually happened in the nostalgic era of oft-pirated 5 1/4" floppies. It seems like it would be possible to build a surrealist story with clever puzzles on this foundation, and, based on his later work with the Frenetic Five series, I am certain Mr. DeMause had the creativity to do so.

Although I did not like this particular example of the author's handiwork, it is competently put together, and some small part of me does appreciate it how it can be appreciated. As such, I am compelled to give it two stars, though I recommend avoiding it unless you are interested in its historical value as an entry in the very first IF Comp.

3 of 7 people found the following review helpful:
It really isn't winnable, June 12, 2009
I remembered that this game frustrated me many years ago, and replayed it on a random impulse. Or rather, tried to. I looked for walkthroughs but I guess the ifcomp wasn't requiring them back then, so I actually went so far as to use a decompiler to verify that there is no way to win. So, don't waste time trying to. Posting this review is just my way of gaining closure. :)

Other than that I've got nothing to add to the other review, which is fair enough: It's not large, so it might be worth a look for the handful of small gags it contains. I take it the game is a spoof, but it doesn't seem to clearly be a spoof OF anything.

If you enjoyed Undo...

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Recommended Lists

Undo appears in the following Recommended Lists:

Honorable Mentions by mjhayes
These are pieces of IF that were written with a specific writing concept in mind. They deserve mention for their respective authors' efforts.


The following polls include votes for Undo:

Solved without Hints by joncgoodwin
I'm very interested in hearing truthful accounts of at least somewhat difficult games (or games that don't solve themselves at least) solved completely without recourse to hints, walkthroughs, etc.


This is version 4 of this page, edited by Edward Lacey on 18 March 2013 at 12:42pm. - View Update History - Edit This Page - Add a News Item