An airship bearing the Arium name rests on misty ground as a figure approaches by bicycle. Art by Tithi Luadthong.

Three collaborative toolkits for any RPG.

Build any world. Play any setting. Deepen any campaign.

Use them with D&D, Blades in the Dark, Mothership, or on their own.

Get Arium
3x ENnie Award Nominee 2021 Product of the Year · Best Supplement · Best Aid/Accessory
Arium: Create -- game-agnostic worldbuilding. Art by Andreas Rocha.

Game-agnostic worldbuilding

Build a world for ANY RPG. The critically-acclaimed collaborative worldbuilding game played by groups from 2 to 100 people.

Arium: Discover -- world-agnostic roleplaying. Art by Andreas Rocha.

World-agnostic roleplaying

Adventure in any world you dream up. A streamlined RPG system built to fit Create-crafted settings like puzzle pieces.

Arium: Evolve -- system-agnostic campaign tools. Art by Andreas Rocha.

System-agnostic campaign tools

Maps, relationships, downtime, and just-in-time world expansion for any RPG. The newest toolkit completes the trilogy.

Each works alone with other games.
Together, they're a complete worldbuilding RPG experience.

Try Our Free Tools Right Now

All Adept Icarus games offers free interactive tools. Here's a couple for Arium!

Random Character

Procedurally generated Arium: Discover characters with attributes, boons, banes, and equipment.

Story Prompts

Fill-in-the-blank story prompts across 7 genres. Customize, share, and print.

The Complete 1st Edition

Arium: Complete 1st Edition box set. Cover art by Fernando Salvaterra.

Create, Discover, and Evolve toolkits together in one box.

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What's New in Evolve

The third toolkit completes the trilogy. It works with any RPG.

  • Collaborative maps no one has to draw
  • Relationships where each side sees it differently
  • Downtime that's a story, not a spreadsheet
  • Your table votes on what's true and what's rumor
"A tinker's toolkit, a bundle of baubles, and a mishmash of magical miracles for players of any roleplaying game." -from the book
Learn More
ENnies Tabletop RPG Awards 2021 Nominee -- Product of the Year, Best Supplement, Best Aid/Accessory
1,179 Kickstarter Backers
2,363% Funded
100% Human-Made
"Collaboration made so easy with total strangers. Jack, Mari and Rook are strangers no more for how on the same page we were from the jump." -- Bennett Cravens, Forge Event
"I love world building and this was so much fun" -- Sam Fletcher, Forge Event
"I've honestly never had as much fun world building. My face hurt the next day from pure good times!" -- @Maori_Nerd, Actual Play

As covered by EN World · Geek Native · The Gamer

Grown With Arium

Your table. Your world. Your creation. Use Arium's tools to make something amazing, then share it.

Explore Grown With Arium

Our games are 100% human made.

Game design by Will Munn, Asha Ence, and Drew Gerken.
Illustrations by Andreas Rocha, Fernando Salvaterra, and Tithi Luadthong.

Brought to you by Adept Icarus Copyright 2026

Adept Icarus company logo in white.