Logic Masters Deutschland e.V.

Mostly Harmless: Hyperspace Bypass

(Published on 1. May 2026, 01:20 by AaronH)

Note: Walkthrough videos are now available for previous Mostly Harmless puzzles. Links to the corresponding puzzle pages can be found at the bottom of this page.
"No, don't move, you'd better be prepared for the  jump into hyperspace. It's unpleasantly like being drunk." "What's so unpleasant about being drunk?" "You ask a glass of water." - The Hitch Hiker's Guide to the Galaxy
Solve in SudokuPad

Rules

Normal sudoku rules apply: fill the grid with digits 1–9 so that no digit repeats in any row, column, or 3×3 box.

All variant clues follow their standard meanings; full descriptions are provided below.

  • Dynamic Fog: The grid is covered with fog; entering correct digits may clear fog elsewhere, and no guessing is required. Any lines or markings continue and connect beneath fog. Unless revealed, no additional clues should be assumed to exist under the fog.
  • Disjoint Groups: A digit may not appear in the same position in more than one 3×3 box.
  • Ten Line: A grey line is divided into contiguous segments, the digits in each segment sum to 10. Segments do not overlap and their boundaries are not indicated, solvers must determine them.
  • German Whispers: Along a green line, adjacent digits differ by at least 5.
  • Modular Line: Along a teal line, any three adjacent digits must include one digit from each of the modulo‑3 sets {1,4,7}, {2,5,8}, and {3,6,9}.
  • Nabner Line: A yellow line cannot contain two digits anywhere on the line that are consecutive.
  • Killer Cages: Digits in a cage must sum to the number shown in the corner.
  • Zipper Line: Along a purple line, pairs of digits equidistant from each end of the line sum to the same value. If the line has an odd number of cells, the centre cell contains that sum.
  • Index Line: Along a cyan line beginning at the square tip, the position of each digit determines another digit’s location. If a digit X appears in the Y‑th position along the line, then a Y must appear in the X‑th position along the same line. Each digit on the line must satisfy this condition.
  • Counting Circles: A digit inside a circle indicates how many times that digit appears among all circled cells.
  • Arrows: The value of digits along an arrow must sum to the number in the corresponding pill. Two-cell 'pills' are all read from left to right.
  • Don’t Panic!: No guessing is required - you are one hoopy frood.

Walkthrough Video

Primary Phase

Secondary Phase airing later this year with Mostly Harmless: Babelfish...

Solution code: Row 6, left to right

Last changed on on 15. May 2026, 08:47

Solved by StevenS, Sarhik, jordanza, macronate, Clipper, lancer102rus, dianogah, Hizuriya, kublai, OdioGenerisHumani, SKORP17, ludvigr04, maniacaljackal, Nylimb, dinonugs, tricksy1224, jkuo7, Saskia11, ... pepe74287, OhHeyGuysItsMax, goldensun, KongiKun30, zuzanina, teuthida, ChampionAsh5357, Exigus, Joyofrandomness, VeronikaWantsE, Topalai, Joozd, clapslat, Czobbler, Bashy99, InterestingAlgae
Full list

Comments

on 8. May 2026, 16:30 by goldensun
I really like the "minipuzzle" feel of this collection! Makes for a rewarding breadcrumb experience :)

on 7. May 2026, 18:35 by AaronH
Added link to walkthrough

on 2. May 2026, 12:14 by Saskia11
Very nice! Thanks so much :)

on 1. May 2026, 10:53 by Clipper
I loved the way you held back on the reveal of some cells to use as hints as where to focus. I would have gotten stuck without one of those nudges.

on 1. May 2026, 02:07 by AaronH
Fixed Solution code

Difficulty:3
Rating:92 %
Solved:57 times
Observed:1 times
ID:000SF9

Variant combination

Enter solution

Solution code:

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