Slay thousands of demons with powerful magic to protect the Cosmic Library! Choose new spells and upgrades every run to create overpowered builds with each character, and steal the powers of defeated enemies to destroy the demonic horde.
All Reviews:
Very Positive (547) - 90% of the 547 user reviews for this game are positive.
Release Date:
Aug 3, 2022

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Check out the entire Xendra franchise on Steam
Notice: Spellbook Demonslayers Prologue is no longer available on the Steam store.


Full version has new characters, spells, maps, difficulties, & more!

About This Game

This is the free version of Spellbook Demonslayers - A roguelite horde survival game inspired by Vampire Survivors and Path of Exile : Choose your character, combine new spells & upgrades each run to defeat thousands of demons, then use your rewards to become stronger & faster.

Your spells are cast automatically, so you can get straight into the demon slaying action!

Powerful Elite Demons will make nearby enemies stronger... but defeating them lets you steal their power for yourself!

Create Overpowered Builds using a wide variety of spells and upgrades!

Unlock Permanent Upgrades by finding precious Astral Flowers!


  • Become overpowered along to an energetic metal soundtrack!
  • Unlock lots of spells, characters, and more!
  • Full controller / keyboard / mouse support.
  • Play for 13, 20, or 30 minutes in a session.

I think you'll really enjoy Spellbook Demonslayers if you've had fun with games like Soulstone Survivors, Brotato, and 20 Minutes Till Dawn!
  • More characters, each with a signature spell and passive
  • New maps with unlockable upgrades, which can go up to 20 and 30 minutes.
  • Lots of difficulty options to customize
  • New Enemies, and bosses
  • Full access to the permanent upgrade system
  • Achievements

System Requirements

    • OS *: Windows 7 or above
    • Graphics: 1 GB RAM
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.

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