
Early Access
No. Last updated 2 years ago, with no recorded updates per month, and nothing new since.
Last checked Oct 22, 2026
Slay endless hordes of demons to protect the Cosmic Library! Steal their abilities, find powerful equipment, and unlock the secrets of each spellbook to become unstoppable! Will you be able to destroy the demonic legion?
Sep 2, 2024 · Build
legacy branch build 12857345
Latest build time Steam reports for the legacy branch.
Sep 2, 2024 · Build
Public branch build 15569051
Latest build time Steam reports for the public branch.
Feb 20, 2024 · Patch note
Info About Next Update (opens in new tab)
Haven't been available much to communicate becuase of family & housing stuff i've had to work on first just to clear up some potential confusion: - The Hades style prototype is for a sequel coming out after this game's 1.0. The prototype is extremely outdated though. Spellbook 1 will remain an auto-shooting game. - The update that changed the knockback syst…
Jul 17, 2023 · Patch note
NEW Features & BIG Balance Changes! [July 17] (opens in new tab)
NEW Features & BIG Balance Changes! New Permanent Upgrades / Enemy Spawn Change {STEAM_CLAN_IMAGE}/42682201/656103a203c45910ae5c4f9c9632e22227d50feb.png The Expel mechanic changes how you interact with demon spawns. Instead of taking a hit because a demon spawned too close to you, now you will be rewarded with bonus experience. Permanent Upgrade: Expulsion…
Jul 12, 2023 · Patch note
Improvements to Charms, and Corrupted & Smuggler's Shrines! [July 12 Update] (opens in new tab)
July 12 Update Charms Charm chests now let you choose between 2 charms, instead of giving you a random one. Charms now drop more often, and the drop rate difference between the 3 maps is now less severe. Gamble Changes Gambling at the Smuggler Shrine no longer gives a chance to gain Astral Flowers. It now always drops a random kind of reward, and between 7…
Spellbook Demonslayers last shipped a build on the legacy branch 2 years ago (Sep 2, 2024).
It got no recorded updates per month over the last year and is rarely updated (0/100). 0 of the last 12 months had at least one update day. Not enough of a cadence to call it regular.
Yes, it looks that way. There have been no builds or patch notes in over 180 days, or none on record at all.
Spellbook Demonslayers: 0 updates in the last 12 months. The chart shows the last 12 months, including months with zero patch notes. Counts are dated patch and update posts, not branch builds.
| Month | Updates |
|---|---|
| November 2025 | 0 |
| December 2025 | 0 |
| January 2026 | 0 |
| February 2026 | 0 |
| March 2026 | 0 |
| April 2026 | 0 |
| May 2026 | 0 |
| June 2026 | 0 |
| July 2026 | 0 |
| August 2026 | 0 |
| September 2026 | 0 |
| October 2026 | 0 |