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Sci Fi short story I found in an anthology.

I think the story dates back to at least the 1990's.

I believe the characters are exploring an alternate pocket universe.

They require special suits to survive.

To navigate the universe requires repeating unusual behaviors in a specific sequence, any deviation is fatal, but there's some kind of reboot mechanism.

Once the explorer has reached the furthest above has ever gone, they have to try, through the process of elimination, the next arbitrary action that allows advancement. Generally they die.

At least one part of the narrative describes the actions an explorer repeats to get to the farthest destination yet, and I believe they "skip" "hop" "twist" and "jump".

I believe the characters are American, with the protagonist an officer in the military.

I don't remember the ending.

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    There are two novels that use this idea, Rogue Moon and The Man in the Maze. Commented Dec 16, 2023 at 10:14
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    Possibly Alastair Reynolds' "Diamond Dogs"?
    – Mark Olson
    Commented Dec 16, 2023 at 14:10
  • Indeed Rogue Moon! TY!
    – Clewfree
    Commented Dec 17, 2023 at 7:13
  • Diamond Dogs was good. I did start and put down Man in the Maze once I realized it wasn't the story I sought.
    – Clewfree
    Commented Dec 17, 2023 at 7:14

1 Answer 1

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This could be Rogue Moon by Algis Budrys, published in 1960.

The story concerns an alien labyrinth on the Moon. In order to progress through it, an explorer has to performs sets of completely arbitrary signs and gestures. For example:

It is, for example, fatal to kneel on one knee while facing Lunar north. It is fatal to raise the left hand above shoulder height while in any position whatsoever. It is fatal past a certain point to wear armor whose airhoses loop over the shoulders. It is fatal past another point to wear armor whose air tanks feed directly into the suit without the use of hoses at all. It is crippling to wear armor whose dimensions vary greatly from the ones we are using now. It is fatal to use the arm motions required to write the English word ‘yes/ either with the left or right hand.

If they fail to follow the actions precisely, the structure kills them. In order to make progress, the explorers are sent to the Moon via a matter transporter, while remaining on Earth in a state of sensory deprivation that allows them to share the experiences of their doppelganger and so assemble the list of actions required to unlock each trap. When the transported version dies, however, it is very disturbing for the original, and only one explorer, Barker, was able to retain his sanity after his double was killed.

In particular, one of the traps is dealt with by making a set of moves that Barker describes as:

"I dodge, and duck, and twist, and inch, and spring, and wait for the—the—...

which resembles the description given by the OP.

As noted by DavidW in comments, a shortened version of the novel was published in F&SF in December 1960. This is available from the Internet Archive here, and was also published in Bova's Science Fiction Hall of Fame Volume IIB in 1973.

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    Note, since OP describes a short story, that Budrys also published a cut-down novella length version that was collected in Bova's Science Fiction Hall of Fame series.
    – DavidW
    Commented Dec 16, 2023 at 12:59
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    Well spotted! Added the link now. Commented Dec 16, 2023 at 13:18
  • 1
    I've always wondered which came first. Commented Dec 16, 2023 at 13:20
  • Thank you all.A sleepless few hours await.
    – Clewfree
    Commented Dec 17, 2023 at 7:09
  • Thanks so much!
    – Clewfree
    Commented Dec 17, 2023 at 7:16

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