Place an upside-down jigsaw over the map and remove the pieces as necessary to reveal the map:
EDIT: Reddit feedback (i) number the backs of the jigsaw pieces for easy re-assembly;
(ii) don’t use this idea if you don’t like it
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Me on DriveThruRPG
T’was the night before a crisp mass snowfall and nothing was stirring,
except a drunken ‘potty-mouthed’ were-reindeer high on psychedelic mushrooms
Neurotic gnomes running a clandestine psychedelic mushroom harvesting operation
Candy Cane Golem
Gift Wrapping Monster
Giant Putrid Gravy-Spewing Undead Turkey
Tree Ent Christmas Tree hostage
1 x Blog: diplomatist2.blogspot.com/2020/12/gaming
2 x DrivethruRPG: drivethrurpg.com/product_review
Also Judges Choice winner for the Reddit OSR X-mas (Santa Panic) one page dungeon contest
A better more readable version of this can be downloaded from here (along with the original 4 page version of this adventure): Grimbo Grotto
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Me on DriveThruDriveThru
In the Heart of (the Land of the Wizard of) Oz is a system-neutral procedural sandbox setting which draws inspiration from the books of L. Frank Baum and with artwork by the wonderful Nate Treme (Highland Paranormal Society)
In the Heart of Oz contains procedural Encounter, Terrain and Weather Engines for Wilderness Hex Crawling across the fairy-tale like land of Oz. There is also a procedural ‘dungeon’ to take on the Wicked Witch of the West in her Yellow Castle.
Hex Flowers … what?
A Hex Flower is a bit like a random table, but with an inbuilt ‘memory’ (because the last turn affects the next outcome). Each time you enter a new HEX, you procedurally determine what is going on.
Hex Flower procedural products you might be interested in
:: In the Heart of the Unknown – procedural wilderness (Hex) exploration
:: In the Heart of the Sea – procedural High Seas exploration
:: In the Heart of the Delve & Dangerous – procedural ‘dungeon’ exploration
:: Carapace – adventure exploring a giant insect colony
:: Planar Compass 2 – procedurally explore the Astral Sea
More on Hex Flower Theory
You can read more about Hex Flower Game Engines in my Hex Flower Cookbook
and on my Blog: https://goblinshenchman.wordpress.com/2018/10/25/2d6-hex-power-flower
This document can be conveniently printed using the ‘booklet’ option on printers that can print on both sides of the paper. Folding gives an A5 booklet.