EN 
DE Greentube Casino Games & Online Slots: Where to Play in 2026
Greentube is NOVOMATIC's digital gaming division, specializing in online slots, classic fruit machines, and casino games. Known for Book of Ra, Sizzling Hot, and modern Cash Connection bonuses, Greentube slots are available through licensed online casinos carrying NOVOMATIC content in regulated markets.
-
18+ | Play Responsibly | T&C Apply
-
18+ | Play Responsibly | T&C Apply
-
18+ | Play Responsibly | T&C Apply
PokerListings
Best Greentube Slot Games
Best Greentube Online Games
Greentube slots range from traditional five-line fruit machines to video slots with expanding symbols, free spins, and Lock & Spin bonuses. The following seven titles represent the developer’s established casino games and modern jackpot-style releases.
| Game | Type | RTP | Key Feature | Best For |
|---|---|---|---|---|
| Book of Ra Deluxe | 5×3 video slot | 95.10% | Special expanding symbol, 10 free spins | Book-style bonus games |
| Sizzling Hot Deluxe | 5×3 classic fruit slot | 95.66% | 5 fixed paylines, scatter payouts | Traditional fruit slots |
| Lucky Lady’s Charm Deluxe | 5×3 video slot | 95.13% | Multiplier wild, free spins with 3x wins | Wild multipliers |
| Dolphin’s Pearl Deluxe | 5×3 video slot | 95.13% | Wild multiplier, free spins with 3x wins | Ocean-themed slots |
| Lord of the Ocean | 5×3 video slot | 95.10% | Free spins, special expanding symbol | Classic expanding-symbol bonuses |
| Cash Connection – Book of Ra | Jackpot-style video slot | Not verified | Lock & Spin, cash prizes | Prize-collection features |
| Cash Connection – Golden Book of Ra | Jackpot-style video slot | Not verified | Lock & Spin, Mega and Super bonuses | Multi-feature jackpot gameplay |
Best Greentube Casino Sites
No offers match this combination of filters right now, but we’ve selected verified deals with similar terms.
Our content may include affiliate links, and we may earn a commission from registrations and deposits made through them. However, it's important to note that PokerListings only endorses licensed casinos that follow the necessary regulations. We do not promote any site that has not passed our thorough evaluation and testing process.
18+ | Play Responsibly | T&C Apply
18+ | Play Responsibly | T&C Apply
18+ | Play Responsibly | T&C Apply
21+ | Play Responsibly | T&C Apply
18+ | Play Responsibly | T&C Apply
18+ | Play Responsibly | T&C Apply
Greentube Software at a Glance
Greentube is an Austrian casino software company and the digital gaming division of NOVOMATIC. Its origins date to 1998, and it joined the NOVOMATIC Group in 2010.
| Field | Information |
|---|---|
| Company Name | Greentube GmbH |
| Founded | 1998 |
| Headquarters | Vienna, Austria |
| Parent Company | NOVOMATIC AG |
| Main Game Categories | Online slots, jackpot-style slots, table games, video poker, video bingo, scratch cards, arcade games |
| Software Technology | HTML5, Greentube Mynt, novoSDK, server-based gaming technology |
| Supported Platforms | Desktop browsers, Android, iOS |
| Free Play | Demo versions available for selected games; social casino play offered through related platforms |
| Notable Game Features | Special expanding symbols, Cash Connection Lock & Spin, free spins, wild multipliers, jackpot features, Bonus Buy |
| Licenses/Certifications | UK Gambling Commission Remote Gambling Software License, account 41020; Malta Gaming Authority authorization MGA/CRP/120/2006; independent testing and certification arrangements |
Greentube Game Portfolio – NOVOMATIC Classics and Modern Slots
Greentube offers a broad range of casino content, although online slots remain its main specialty. The catalog combines established NOVOMATIC games with newer slot families, alongside traditional table games, video poker, bingo, and other digital formats.
Online Slots – Book of Ra, Sizzling Hot, and New Releases
Greentube slots cover traditional fruit machines, Egyptian-themed adventures, mythology-inspired games, and modern titles with more elaborate bonus features. Book of Ra Deluxe, Sizzling Hot Deluxe, and Lucky Lady’s Charm Deluxe represent the developer’s classic portfolio.
Newer releases include Book of Ra Magic, Piggy Prizes titles, and games using Win Ways or collection-based mechanics. These offer alternatives to the fixed paylines and relatively simple bonus rounds found in many older NOVOMATIC slot machines.
The catalog is particularly recognizable for adapting successful land-based games to online play while developing separate digital variations.
Jackpot Slots – Cash Connection and Piggy Prizes
Greentube develops several jackpot-style game families, including Cash Connection and Piggy Prizes. Cash Connection – Book of Ra and Cash Connection – Golden Book of Ra combine familiar themes with Lock & Spin mechanics and additional prize-collection features.
The Piggy Prizes collection includes games such as Wish of Riches and Ghost of Gambini, built around separate prize features and themed bonus mechanics. These titles emphasize collecting symbols and triggering rewards outside ordinary payline combinations.
Not every displayed jackpot is necessarily progressive. Players should distinguish fixed prize tiers from jackpots that accumulate contributions across qualifying wagers.
Table Games – Roulette and Other Casino Classics
Greentube’s table game selection includes RNG-based casino formats such as roulette and blackjack. These games use computer-generated outcomes rather than live dealers and follow rules specific to the available variant.
The table game portfolio is smaller than the company’s slot collection. Players primarily interested in live dealer tables should not assume Greentube operates a dedicated live casino studio comparable to specialist providers.
Video Poker – Jacks or Better and Deuces Wild
Greentube develops video poker games including Jacks or Better, Deuces Wild, and American Poker II. These games use poker hand rankings, with players selecting which cards to hold before receiving replacements.
Unlike conventional online slots, video poker involves decisions that can influence the theoretical return. The paytable determines the value of each winning hand, so players should compare the rules and payouts of the specific version.
Video Bingo and Other Casino Games
Greentube also supplies video bingo games, scratch cards, and selected arcade-style products. Video bingo uses number-based outcomes and predefined winning patterns rather than traditional reel combinations.
The wider gaming portfolio supports different preferences and playing formats, although individual products may be available only in particular jurisdictions or through selected operators.
Greentube Slot Features – Expanding Symbols, Lock & Spin, and Multipliers
Greentube combines long-established NOVOMATIC slot features with modern prize-collection systems. Its most recognizable mechanics include special expanding symbols, multiplier wilds, free spins, and branded Lock & Spin bonuses.
- Special expanding symbols: Book of Ra Deluxe and Lord of the Ocean select a special symbol when the free spins feature begins. During the bonus, qualifying symbols can expand across entire reels and produce additional wins under special payout rules, even without conventional adjacent-reel combinations.
- Cash Connection Lock & Spin: Cash Connection – Book of Ra and Cash Connection – Golden Book of Ra introduce a bonus in which prize-bearing symbols remain locked while additional spins can add more values. This shifts the focus from ordinary paylines to collecting cash prizes across the playing area.
- Wild multipliers and free spins: Lucky Lady’s Charm Deluxe features a Lucky Lady wild that increases qualifying payouts, alongside free spins with a 3x multiplier. Dolphin’s Pearl Deluxe uses a related structure, combining a multiplier wild with enhanced free spins wins.
- Enhanced bonus rounds: Cash Connection – Golden Book of Ra introduces Mega and Super bonus features alongside the core collection mechanic. These provide additional reward possibilities beyond the standard Lock & Spin feature.
- Bonus Buy and alternative game versions: Selected Greentube releases offer Bonus Buy variants, including Book of Ra Deluxe Buy Bonus. In that version, players can purchase a guaranteed free spins trigger for 100x the current total bet, subject to availability and regulatory restrictions.
These mechanics are not all original inventions of Greentube. Expanding symbols, wild multipliers, and locked-symbol respins are widely used across the casino industry, while the developer’s particular game families determine how they are combined.
Greentube RTP, Volatility, and Betting Range
RTP: Greentube games have different RTP configurations, including historically published versions of Book of Ra Deluxe at 95.10%, Lucky Lady’s Charm Deluxe at 95.13%, and Sizzling Hot Deluxe at 95.66%. Other Book of Ra Deluxe configurations have lower returns, including a 94.26% version with a separate 94% RTP for its Bonus Buy feature. RTP (Return to Player) describes the theoretical long-term percentage of wagers returned, making the individual game’s actual setting more useful than a general provider average.
Volatility: The portfolio includes medium-volatility classic fruit slots such as Sizzling Hot Deluxe and higher-volatility games such as Book of Ra Deluxe and Lord of the Ocean. More modern Lock & Spin releases may have different payout distributions, and their volatility should be checked individually. High volatility means more uneven payouts, not necessarily a better theoretical return.
Betting Range: Greentube betting limits depend on the game version, currency, jurisdiction, and operator. For example, the published rules for Book of Ra Deluxe Buy Bonus specify a $0.20 minimum and $1,500 maximum bet per base-game round, with a separate cost for purchasing the bonus. These limits should not be applied across the entire Greentube slot catalog.
Playing Greentube Slots and Casino Games on Mobile
Greentube develops online casino games compatible with Android and iOS devices, allowing players to access supported titles through mobile browsers. Its classic NOVOMATIC slots and newer digital releases are also available on desktop platforms.
Games such as Book of Ra Deluxe and Sizzling Hot Deluxe use relatively simple reel layouts that adapt to smaller screens. Newer titles, including Cash Connection releases, require additional space for prize symbols and bonus controls, so interface arrangements vary by game.
Selected Greentube games offer free demo access through compatible platforms. Real-money availability depends on the operator and jurisdiction, and installing a separate Greentube application is not required for browser-based play. Performance varies with the device, browser, and connection.
Who Should Try Greentube Casino Games?
Greentube is particularly relevant to players who enjoy NOVOMATIC classics, recognizable slot mechanics, and newer prize-collection features. Its portfolio offers both straightforward fruit machines and games with additional bonus complexity.
- Best for: Players interested in classic fruit slots, Book of Ra-style free spins, expanding symbols, and Lock & Spin bonuses.
- May not suit: Players seeking a catalog dominated by live dealer games, crash titles, fishing games, or highly experimental reel mechanics.
- Choose this provider for: Its established NOVOMATIC titles, including Book of Ra Deluxe and Sizzling Hot Deluxe, alongside Cash Connection and Piggy Prizes releases.
- Consider alternatives if: You prioritize consistently high RTP settings, extensive live casino products, or a large selection of modern cluster-pays and Megaways slots.
Our Verdict on Greentube Provider
Greentube combines one of the industry’s most recognizable collections of land-based-inspired slots with a growing selection of modern digital releases. Book of Ra Deluxe and Sizzling Hot Deluxe retain their familiar gameplay, while Cash Connection introduces prize-collection bonuses and more elaborate features.
The main limitation is that many classic titles have relatively modest RTP settings, with some games offered in multiple configurations. The catalog also remains heavily focused on slots despite its wider casino products. Greentube is most suitable for players who value established mechanics, recognizable themes, and straightforward bonus systems.
FAQs About Greentube Games
Is Greentube a Licensed Casino Software Provider?
Yes. Greentube GmbH holds a UK Gambling Commission Remote Gambling Software License under account 41020 and is regulated by the Malta Gaming Authority under authorization MGA/CRP/120/2006. These credentials do not replace the separate operating license required by a casino.
Are Greentube and NOVOMATIC the Same Company?
Greentube is part of NOVOMATIC rather than an unrelated software developer. It distributes many recognizable NOVOMATIC slot brands online while also developing digital casino content and gaming technology.
Can I Play Greentube Games for Free?
Yes. Demo versions of selected Greentube slots are available through supported platforms, while related social casinos such as GameTwist and Slotpark offer virtual-currency gameplay. The available games and account requirements vary between platforms.
Does Greentube Offer Progressive Jackpot Slots?
Greentube offers jackpot-style games and prize-collection systems, including Cash Connection titles. However, a fixed jackpot tier is not necessarily progressive, so players should verify whether the specific game has an accumulating prize pool.
Are Greentube Slots Available in Regulated US Markets?
Selected Greentube games are distributed in regulated North American markets, but availability differs by state and operator. Players should verify whether the casino is licensed locally and whether the particular game is approved for real-money play.
Log in to join the discussion
Share your thoughts and see what others have to say.