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Rival Books of Aster

Game overview

Rival Books of Aster

Games by Stitch · Mar 25, 2024

Rival Books of Aster is a strategy deck building game that features over 140 hand illustrated spells that you can use to build custom decks and go head to head against other players. Each spell is also a page in a living story book that translates itself and reveals its secrets as you play the game.

Casual Indie Strategy Card Game Free to Play
Last tracked players
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All-time peak
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24-hour change
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Steam reviews
73.8% positive
65 reviews · via SteamSpy

Delayed observation · last tracked . Values marked unavailable are not estimated.

About this game Read the full description

Four rival books, each a separate translation of a single source that is long since lost to time. All begin with the same phrase: "Take me and hide me, for I am the one true light". Every journey begins with a choice and the time has come for you to make yours.

Rival Books of Aster is a strategy card game that features over 140 hand illustrated spells that you can use to build custom decks and go head to head against other players. Each spell is also a page in a living story book that translates itself and reveals its secrets as you play the game.

Rival Books of Aster does NOT contain randomized booster packs. Play for free with a starter deck of your choice, and expand your collection with DLC packs containing known-quantities of cards.

Can you decipher the Rival Books to save your household and rule the plane of Aster?




  • An easy to use deck-builder
  • Training Levels for Practice
  • AI Battle Mode
  • PvP matchmaking & ranking system
  • A unique take on familiar game mechanics
  • 4 distinct art styles by award-winning artists
  • Over 140 different spells & characters
  • Endless gameplay possibilities


Expand your deckbuilding possibilities with new spells and characters from DLC expansion packs. What new strategies and synergies will you uncover? There are 4 Starter Decks and 4 Expansion Packs (will require that house’s Starter Deck) available:

Starter Decks
  • Heptameron
  • Theurgia Goetia
  • Grimoirum Velum
  • Pauline Art

Expansion Pack (Requires Corresponding House’s Starter Deck)
  • Heptameron Expansion Pack
  • Theurgia Goetia Expansion Pack
  • Grimoirum Velum Expansion Pack
  • Pauline Art Expansion Pack
Media gallery 18 screenshots · 0 videos
Rival Books of Aster game capsule image

Screenshots

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And 10 more screenshots...

Player activity

Concurrent players over the last 48 hours.

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System requirements Windows · macOS · Linux

Windows

Minimum

Minimum:
  • OS: 10
  • Memory: 1 GB RAM
  • DirectX: Version 9.0
  • Storage: 500 MB available space

Recommended

Recommended:
  • DirectX: Version 12

macOS

Minimum

Minimum:
  • OS: 10.8
  • Memory: 1 GB RAM
  • Storage: 500 MB available space

Recommended

Recommended:
  • OS: 10.10

Linux

Minimum

Minimum:
  • Memory: 1 GB RAM
  • Storage: 500 MB available space
  • Additional Notes: tbh we haven't tested this on linux
Game details Languages, features & support
Publisher
Games by Stitch
Brazilian rating
14
Steam Germany rating
12
Features
Multi-player, PvP, Online PvP, Cross-Platform Multiplayer, Family Sharing
Languages
English*
*languages with full audio support
Compatibility & accessibility Steam Deck, controllers & access features

Can I Play This?

Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.

Sources fresh
Native Steam builds
Windows: unknown
macOS: unknown
Linux: unknown
Steam Deck
unknown
Valve compatibility test
Input
Controller support: unknown
Structured language support (1)
LanguageInterfaceFull audioSubtitles
EnglishYesYesYes
Steam store page fresh · checked 2026-10-15 PCGamingWiki technical notes External link only; SteamIQHQ does not ingest PCGamingWiki content.
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Early Access Active

Time in EA
264 days

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Developer Analytics

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Frequently Asked Questions

Is Rival Books of Aster free to play?
Yes, Rival Books of Aster is free to play on Steam.
What genre is Rival Books of Aster?
Rival Books of Aster is a Casual, Indie, Strategy game.
Who developed Rival Books of Aster?
Rival Books of Aster was developed by Games by Stitch and published by Games by Stitch.
What platforms does Rival Books of Aster support?
Available on Steam for Windows, macOS, Linux.

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