Novomatic Classic Slots

Book of Ra Deluxe has multiple RTP configurations ranging from 92.13% to 95.10%. The specific configuration depends on your casino. The highest tier of 95.10% is the figure most commonly published, but many casinos run lower configurations. Check the in-game paytable or info screen to verify which version you are playing.

Yes. Novomatic's online division Greentube has converted most popular Gaminator titles to HTML5. Book of Ra Deluxe, Sizzling Hot Deluxe, Lucky Lady's Charm Deluxe, and other classics are available at casinos carrying the Greentube integration. Availability varies by jurisdiction and casino.

Several of Novomatic's most popular titles — Sizzling Hot, Just Jewels — were designed for land-based gaming halls where simplicity and fast spin cycles were valued over complex bonus mechanics. The online versions preserve this design philosophy because it appeals to players who prefer pure, uninterrupted gameplay over feature-heavy modern slots.

After any win, Novomatic slots offer a gamble option where you guess the colour (red or black) of a face-down playing card to double your win, or guess the suit to quadruple it. This is a 50/50 proposition on colour and 25/75 on suit. You can gamble repeatedly up to five times. Many regular Novomatic players treat this as the game's primary bonus feature.

Yes. Book of Ra (2005) introduced the concept of a randomly chosen symbol that expands to fill entire reels during free spins. This mechanic — now universally called the 'Book mechanic' — has been adopted by dozens of other providers and remains one of the most popular bonus systems in online slots.