KA Gaming · medium volatility · free demo

Book of Cthulhu

Book of Cthulhu by KA Gaming: medium volatility, Fixed paylines.

Book of Cthulhu facts

Volatility
Medium
Reels
5
Paylines
20
Bet range
0.1 – 100
Game type
Slots
Provider
KA Gaming

Book of Cthulhu is a KA Gaming slot with medium volatility. Stakes run from 0.1 to 100 per spin.

Categories Monster

Facts from the SlotsLaunch games feed, last synced 6 Sep 2026. The rules inside the game take precedence.

Book of Cthulhu paytable and rules

Recorded from Book of Cthulhu's own information screens while the game ran in demo mode at a licensed casino, 7 September 2026. Symbol values appear exactly as the game prints them, which below means cash amounts at a 0.20 EUR (default; selectable 0.20-30.00 EUR) spin. A casino can run a different build of a slot, so check the game's own info screen where you play.

Book of Cthulhu symbol payouts, as cash at a 0.20 EUR (default; selectable 0.20-30.00 EUR) spin
Symbol 5432
green tentacled Cthulhu head €5.00 €1.00 €0.50 €0.10
purple eye symbol €3.00 €0.80 €0.25 €0.05
pink starfish-like creature €2.00 €0.60 €0.20 €0.04
blue tower/hand symbol €1.00 €0.40 €0.15 €0.03
white horned skull €0.75 €0.30 €0.12
A €0.50 €0.20 €0.10
K €0.40 €0.15 €0.08
Q €0.40 €0.15 €0.08
J €0.30 €0.10 €0.06
10 €0.30 €0.10 €0.06
WILDWild €10.00 €4.00 €1.00
SCATTERScatter €10.00 €2.00 €0.40

How Book of Cthulhu's special symbols work

WILD
WILD substitutes for all symbols except SCATTER.
SCATTER
3, 4 or 5 SCATTER symbols anywhere on the reels will trigger 10, 15 or 25 free spins with special expanding symbol.

Book of Cthulhu features

Free Game
3, 4 or 5 SCATTER symbols anywhere on the reels will trigger 10, 15 or 25 free spins with special expanding symbol.
Expanding Feature
p03.png shows an "Expanding Feature" panel; the symbol illustration expands to fill the reel. No separate paragraph of rule text accompanies the heading beyond what appears on p02.png (see Free Game).
Free Game Paytable
A separate paytable headed "FREE GAME PAYTABLE" is shown, with the same symbols and the same payout values as the base paytable on p04.png.
Book of Cthulhu rules, as the game states them

All symbols except SCATTER pay left to right on active paylines.

Only the highest win is paid on each payline.

FREE GAME is played with the same bet as the triggering spin.

Malfunction voids all pays and plays.

p06.png: LINES payline diagram, 20 numbered paylines (1-20) shown, no other text besides the "LINES" heading.

Free Demo

Book of Cthulhu

by KA Gaming

18+ | T&Cs Apply | Gamble Responsibly

Last updated: Sep 2, 2026
Provider: KA Gaming Volatility: Medium
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Book of Cthulhu Overview

Book of Cthulhu is a medium volatility slot by KA Gaming. This game plays across 5 reels. Play Book of Cthulhu for free on Slottomat, compare the core stats quickly, and browse trusted slot offers available in your market.

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FAQ

Common Questions About Book of Cthulhu

Direct answers to the questions players usually ask before trying a slot.

Yes. You can play the Book of Cthulhu demo for free at Slottomat. Open the page and press Play Demo.

Book of Cthulhu is developed by KA Gaming. You can browse more KA Gaming slots and play their free demos on Slottomat.

Book of Cthulhu is a medium volatility slot. Volatility (variance) describes how often and how large the wins tend to be.

A web browser on desktop, tablet or mobile. Open the page and press Play Demo.