
Inside the Book
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Monsters & Items
Challenge and reward your players with 32 cosmic monsters and 40 magic items – from alien horrors to unique treasure with mind-bending effects.
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Hazards & Rules
Explore gravity and radiation with universal laws and 9 cosmic hazards – ranging from potentially world-ending events to localized phenomena.
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Player Options
Expand your game with 8 new species, subclasses, & feats, plus 6 spells – inspired by quantum mechanics, spacetime, and the power of stars.
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Encounters
Run thrilling cosmic scenarios with 5 plug-and-play encounters – contend with deadly foes, overcome lightning storms, and jump through wormholes.
Shop the Collection
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Mareesha's Cosmic Curiosities PDF
Regular price $19.95Unit price -
Mareesha's Cosmic Curiosities Hardcover & PDF
Sale price $34.95 Regular price $45.00Unit price -
Regular price $39.95Unit price
What DMs Are Saying
Short but Quality
Honestly Ive been on a benign buying a lot of DnD books lately, but I keep coming back to this one. Its on the short side but the content in it is ... stellar. Sorry couldn't help myself, but ya the playable species are fun and the environmental mechanics are very interesting. Definitely think i'll be using them in a future campaign.
Matt
A Closer Look
Bring unique inspiration and authenticity to your table with dangers and powers your player's have never faced before – like wormholes, alien monsters, magnetism, and radiation.
Designed for easy use, the content fits seamlessly into any 5E campaign – fantasy, sci-fi, or anything in between.
Unleash the magic of our universe with a wealth of otherworldly creatures, species, subclasses, spells, and galactic dangers for 5E D&D across 64 pages.