Dual Threaded
A downloadable game

Decipher the rules and use them to solve the puzzle.
Note that this puzzle is just an image, and does not interact. Draw on it with an image editor of your choice!
Part of The CONFOUNDING Calendar
Thanks to xxuurruuii, Deusovi, Hazelstorm, xetto, Blaž Urban Gracar for feedback

Comments
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Nice! I like such an instructionless puzzle.
Answer Spoiler
Gur oyhr yvar'f fgnegvat cbvag fubhyq or E8P1, abg E7P1.
Oh OK I fixed both the answer and the link
Very fun!
Spoiler
I have two cells left unused, is that the correct solution?Yep, was like that with mine at least
neat one! (rot13)ohg gur gjb Kf fubhyq abg or gur fnzr? jr qb unir obgu gur gjb zveeberq pnfrf va gur svany fbyhgvba, qba’g jr (benatr sebz gbc-yrsg gb obggbz-evtug naq va gur bgure benatr sebz gbc-evtug gb obggbz yrsg).
Loved it! A really fun deduction. I wish that you could (rot13) Fbyir gur bhgfvqr 'ehyrf nern' nf n xvaq bs ivpgbel ync nf jryy, ohg vg qbrfa'g frrz cbffvoyr.
Regardless - loved it! Great stuff :)
Super interesting! I thought I understood the symbols pretty quickly but I found myself having to reconsider them when I looked at how they played out.
Group-solved with Katelyn Δ: that was really cute!!
I had a fantastic time with this one! I quite enjoy these kind of connectivity deductions and this one had so many of them jam-packed in there. Very cute white/black duality theme and communication of the puzzle rules.
I misunderstood something early on when trying to figure out the rules and then dug myself into a hole trying to work with that for a while, but once I figured out all the rules it was really tight and fun!
Great puzzle! Found it easiest to solve in Inkscape, where I could copy-paste things around, and easily remove old bits if I realized I'd made a mistake.
I think the most confusing part of the puzzle is that (rot13) gur gjb xvaqf bs pyhrf ner shaqnzragnyyl qvssrerag. Gur "k" pyhrf zrna gung lbh pnaabg qb *nal* bs gur guerr guvatf gurl fubj (tb qvntbany, pebff gur bgure pbybe, naq punatr onpxtebhaq pbybe) rkprcg sbe jurer lbh qb nyy guerr. Ohg gur "obk" pyhrf nera'g nf erfgevpgvir -- sbe rknzcyr, gur gbc evtug pyhr qbrfa'g zrna gung gur benatr yvar pnaabg ghea jvgubhg cnffvat guebhtu na benatr obk ba n yvtug onpxtebhaq. Va rssrpg, gur "k" pyhrf vzcyl gurve pbagencbfvgvir (vs abg punatvat onpxtebhaq pbybe, gura pnaabg pebff bgure yvar), juvyr gur "obk" pyhrf qb abg vzcyl gurve pbagencbfvgvir (vs abg cnffvat guebhtu obk, gura pnaabg ghea).
Thank you! V ernyyl yvxr gur zvavznyvfz bs guvf, naq ubj V'z noyr gb grnpu nyy gur ehyrf jvgu fb yvggyr, ohg V qb frr ubj vg pbhyq fgvyy or pbashfvat naq n ovg ebhtu gb svther bhg.
Yeah! 100% agreed. The thing that I really appreciate is that, despite the confusion I discussed above, you can simply start by (rot13) qenjvat fgenvtug be gheavat yvarf guebhtu nyy gur obkrf gung pyrneyl bayl unir bar pubvpr and get shockingly far.
i think i need a hint. i think i might have the simple rules, but am unsure how im supposed to "interact" with what is there. yes i know its an image.
Not sure what you're stuck on, but I think this might help: (rot13) Lbh vagrenpg jvgu gur chmmyr ol qenjvat n oyhr naq benatr yvar, fgnegvat ba gur znexf ng gur obeqre
qb obkrf arrq gb or pebffrq? be qb gurl whfg yvzvg zbirzrag?
pna n pebffvat bpphe ng gur pbeare bs n obk?
jung vf gur tbny, gb znxr n benatr ybbc naq n oyhr ybbc?
All the possible rules I come up with either leaves it extremely easy without using much of the board, or doesn't make anything I would consider a soultion... :(
Not sure what you're stuck on, but I think this might help: (rot13) Lbh vagrenpg jvgu gur chmmyr ol qenjvat n oyhr naq benatr yvar, fgnegvat ba gur znexf ng gur obeqre
No idea if I did it right, but neat puzzle. Cool that this really put a turn on a classic grid movement. Ng yrnfg V guvax lbh zbir ba n qvntbany...
wow! i’ve solved the puzzle in a way that satisfies all my interpretations. my biggest complaint is that it’s not clear enough exactly what the rules are, but if my interpretations are correct then the puzzle is really well made! what’s most surprising to me is that v bayl unir gjb pryyf abg ivfvgrq, naq vg qbrfag frrz yvxr vg’f cbffvoyr gb ivfvg gurz.
there are a bunch of lovely deductions resulting from the (assumed) rules. even without the confidence it was still very satisfying to come to a solution! very nice
Thank you!
Do I have to fill all the squares?
In instructionless puzzles, there is usually an implied condition that gur fbyhgvba vf havdhr tvira gur bgure ehyrf. You should be able to deduce whether you need to fill in the squares or not based on this.
not always, sometimes the condition is just "these are solvable and these are not", as is used in lok.
I understood the rules, however vg’f abg cbffvoyr gb znxr gur cnguf abg vagrefrpg. V qba’g hqrefgnaq jung gur K flzoby zrnaf (pna gurl vagrefrpg ba gur obeqre orgjrra qnex naq yvtug nernf, pna gurl tb qvntbanyyl be fbzrguvat ryfr, vqx) (rot13)
Hint (rot13): Gur "K" flzobyf, yvxr bgure flzobyf, qverpgyl fubjf lbh gur erznvavat ehyr lbh arrq gb xabj, naq vg'f fhccbfrq gb nafjre obgu bs lbhe dhrfgvbaf
I solved it. Gevrq gb fbyir gur bhgre cneg, znxvat n ybbc jvgu obgu benatr naq oyhr, ohg vg erfhygrq hafbyinoyr. Lbh pbhyq nqq bar zber ebj rvgure hc be qbja gb znxr vg fbyinoyr vs lbh jnag gb.
vf gur zrgn chmmyr abg vagraqrq?!
vg frrzf fb vagraqrq
Lrc, ohg hasbeghangryl V thrff vgf abg fbyinoyr phm gurerf bayl guerr ebjf guebhtu juvpu lbh pna tb sebz bar fvqr gb gur bgure, bar bs gurz zhfg or bpphcvrq ol gur benatr yvar, gjb bguref ol oyhr barf. Vs gur benatr tbrf ba gur yvtugre ebj, gura vg fubhyq fjnc (qnex/yvtug) na bqq ahzore bs gvzrf ba rnpu fvqr. Ohg gur oyhr vf tbvat guebhtu gur qnexre bar gjvpr zrnavat vg’f tbaan fjnc na rira ahzore bs gvzrf ba gur evtug fvqr. Abj vs gur benatr yvar tbrf guebhtu bar bs gur gjb qnexre ebjf ba gur obggbz, gura vg fubhyq fjnc na rira ahzore bs gvzrf ba obgu fvqrf. Ohg gur oyhr tbrf guebhtu bar yvtugre ebj naq bar qnexre ebj, zrnavat vg fubhyq fjnc na bqq ahzore bs gvzrf ba gur evtug fvqr. Naq fvapr lbh pna’g fjnc bar bs gur pbybef jvgubhg fjnccvat gur bgure, jr eha vagb n pbagenqvpgvba naq vg’f hafbyinoyr. V pna’g oryvrir V jebgr n jubyr zngurzngvpny cebbs sbe n zrgnchmmyr va n fvatyr vzntr chmmyr tnzr yby.
Boivbhfyl, V zrna vs jr nffhzr gung gur obkrf naq gur pebffrf bhgfvqr arrq gb or cneg bs gur cngu (fb lbh pna’g whfg pbaarpg gurz qverpgyl jvgubhg ivfvgvat gurz)