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73% positive of 1,277 · Mostly Positive · Live from Steam
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Free on Steam. The demo has its own app, so its players are counted separately.
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?
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Review score: 73% on 2026-11-01 → 73% today (1,277 reviews)
Works, but may need extra effort. Results from Valve's own testing.
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Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
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 The prototype is extremely outdated …
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…
July 11 Update Quality of Life Improvements Global bonuses from spells are now shown in gold to make them easier to notice. NOTE: Global bonuses are kept for the rest of the run, even if the spell is replaced or lost. You can now access the Demon Summoning men…
Thank you to everyone who has been trying out the Hell Slayers bundle with the amazing game Halls of Torment! https://store.steampowered.com/bundle/32604/Hell_Slayers/ New Spell: Volt Surge Pierce demons with an electric wave. Calls a mighty Lightning Bolt whe…
Welcome, New Players! https://store.steampowered.com/bundle/32604/Hell_Slayers/ A ton of you have been checking out the Hell Slayers bundle with Halls of Torment, thank you for all the support! The Spellbook Enigma is now available, along with some new spells …
Today's update brings a HUGE amount of new features and improvements - There's a lot to cover with this one, so let's just jump right into it! New Spellbook - Vella Vella "I'll eat you alive!" Unlock Requirement: Finish a run with 4 copies of the same spell at…
i had a baby so things are taking some time to cooknew demo for the next update should be out this month or next. it will make more sense when you play it yourself and learn how to use mechanics like wallkick combos & the reworked demon blade system, and the w…
The Apocalypse is coming. https://store.steampowered.com/app/2104590/Spellbook_Demonslayers_Demo/ https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2104590/extras/C_HowToDevour.gif?t=1725192057 https://shared.akamai.steamstatic.com/store...
Hello~ Xendra is working on a total rehaul that will come with the next major update. The workload is huge for a solo dev, but this will ensure the upcoming content aligns with Xendra's vision. Spoiler Please be patient. Meanwhile, I strongly suggest you get t…
https://store.steampowered.com/bundle/36456/Slayer_Sunrise/ Ocelot Sunrise is a comic-style survivors-like game set on alien planets in distant galaxies. As always, owners of Spellbook Demonslayers will get an extra 10% off via the bundle. This is the final co…
COMING SOON: This update will contain new content, but also a lot of significant changes to existing things because I felt like the feel of the game was way off from where it should be. New Character: Skye The Cosmic Library has given you authority over Skye's…
Hiya~ It is Liya again. Erabit together with Ravenage is organizing a new Steam Fest!!! Visit the Bullet Heaven event page to browse more games like Spellbook Demonslayers. I also got you bundles with freshly released games: https://store.steampowered.com/bund…
🧟🧟🧟FatalZone from the Popular Upcoming will be an extra 10% off for the owners of the Spellbook Demonslayers 🔥🔥🔥 FatalZone is a zombie survivor game with RPG progression: 🏆Survive & beat challenges to unlock skills ⚰️Hire & heal chars - death is finite …
Dear players, I wish you all a happy Mid-Autumn Festival! I hope you all can have a nice family gathering and taste some new-flavored moon cakes! Meanwhile, the SHMUP event has many games, like Spellbook Demonslayers, on sale. Visit the event page for more dem…
Psst. SBDS is in the Dreamhack Beyond Summer Showcase. Check the header to find many mint games. TRADING CARDS are now available!🥳 There are a total of 10 cards you need to unlock a badge, but each card will drop for 20 minutes played. So just 1 run will brin…
Spellbook Demonslayers is participating in Demons Unleashed event You will get extra 20% off from the game. There are also many other demonic games at sale and in preview. After sale Trading Cards will be added to add more benefits for you for playing the game…
NEW Features & BIG Balance Changes! New Permanent Upgrades / Enemy Spawn Change 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. Per…
https://clan.cloudflare.steamstatic.com/images/42254172/6354e3ad07223e41e25286327fcee90309aad511.png GET ERABIT GAMES AT HISTORY'S LOWEST PRICE! https://clan.cloudflare.steamstatic.com/images/42254172/b156f667cc13d7c8cc2bee5d25e53ff72b687a0d.png https://clan.c…