A downloadable puzzle

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Lost Coins is a Rule Discovery game about numismatics and patterns. 

Organise the coins scattered all over the rug into the collection folder; every type of coin has its own ruleset! 

Think, theorise, and find a solution that’s consistent across all puzzles!

Made with love for the  Rule-Discovery Paper Puzzle Game Jam 2026 in approximately 16 hours and 4 litres of yerba mate.

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Click download now to get access to the following files:

Lost Coins 1.1.pdf 11 MB

Comments

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I really enjoyed this! Was this loosely inspired by the puzzle book Letter Coins?

rot 13:

Gurer jrer n srj guvatf gung V sbhaq nzovthbhf (znlor vagragvbany) V fnl guvf abg nf pevgvpvfz ohg jnagrq gb funer zl gubhtug cebprff bs ubj V nccebnpurq vg.

Gur fvyire qnfurq bhgyvarf ba zvffvat pbvaf pbhyq or vagrecergrq nf fhttrfgvat n fvyire pbva tbrf urer, vafgrnq bs nal pbyberq pbva.

Ba cntr 7, gur abgr npghnyyl znqr zr zber pbashfrq, nf “Nal pbva pbhyq tb urer” pbhyq or vagrecergrq nf “nal pbva pbhyq tb urer naq fgvyy fngvfsl gur ehyrf” zrnavat gur pbva lbh cynpr urer qbrfa’g znggre.

Hey Hygge! Thanks for playing the game!
No, I wasn't aware of that game, I'll check it later :)

Regarding your feedback, I agree, after the Jam finishes I'll give it another look to polish those details. Thank you :)