Star Supreme

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Rules and Gameplay

Star Supreme, released by Greentube on August 24, 2021, offers a vibrant fruit slot experience with a 5×4 reel layout and 50 paylines, setting the stage for engaging gameplay. Players are invited to place bets ranging from $0.50 to $50 per spin, catering to a variety of bankrolls. The game is lauded for its compatibility with mobile devices, ensuring a seamless gaming experience on the go. High volatility paired with an RTP of 95.1% characterizes the game, making it suitable for players seeking thrilling high-stakes play.

Bonus Features

Star Supreme is rich in bonus features, designed to elevate the gaming experience. Key highlights include:

  • Free Spins Bonus Round: Triggered by landing the Star (Bonus symbol) on the reels, offering players 10 free games initially, with the potential to earn 10 additional free spins for each extra Star symbol landed.
  • Unlimited Win Multiplier: Available during the Free Spins rounds, enhancing the potential for big wins.

These features, combined with the game’s high volatility, promise a thrilling and potentially rewarding gameplay experience.


The symbols in Star Supreme are a mix of classic fruit slot icons and special symbols that trigger game features. Key symbols include:

  • Standard Symbols: Oranges, cherries, grapes, and other fruits, alongside bars, Lucky 7s, and bells.
  • Special Symbols: The Joker (Wild symbol) and the Star (Scatter/Bonus symbol).

The Joker symbol stands out as the game’s Wild, substituting for standard symbols to form winning combinations, while the Star symbol activates the Free Spins Bonus Round.


Symbol 3 Symbols 4 Symbols 5 Symbols
Joker (Wild) Not applicable Not applicable 840x
Oranges Small win Medium win Large win
Cherries Small win Medium win Large win

Note: Exact values for small, medium, and large wins vary, depending on the bet size and symbol combination.


The game features 50 paylines, providing numerous ways for players to score winning combinations. Wins are counted from left to right, requiring a minimum of three matching symbols on a payline. The diverse array of paylines enhances the game’s engagement and winning potential, catering to a wide range of player preferences.

Pros & Cons

Pros Cons
The Jokers reward the maximum win Low potential for big wins
Free Spins Bonus Round up to 50 free spins can be won RTP is below the market average
Highly engaging for players seeking high volatility Mathematical model poorly balanced for general play

Minimum and Maximum Bet

The Star Supreme slot game allows players to place a wide range of bets to accommodate different budgets and play styles. Bets can start as low as $0.50 per spin, making it accessible to players who prefer to wager smaller amounts. On the other end of the spectrum, the game also supports bets up to $50 per spin, catering to high rollers looking for the thrill of placing larger bets. This range ensures that Star Supreme can be enjoyed by a wide variety of players.

Game Jackpot

Star Supreme does not feature a traditional jackpot, which may be a downside for players seeking games with jackpot opportunities. However, the slot compensates with a maximum win potential of up to 840x the stake, which can significantly increase with the game’s free spins feature. The Return to Player (RTP) rate of Star Supreme is set at 95.1%, which is considered below the market average. Coupled with high volatility, this game is best suited for players who are seeking big wins, albeit less frequently, and are comfortable with the inherent risk associated with high volatility slots.

About Provider

Greentube is renowned for its innovative and reliable casino gaming products, having established itself as a leading provider in the online and mobile gaming sector. As the interactive division of Novomatic, Greentube has been at the forefront of the gaming industry for over 12 years, offering a diverse portfolio that includes over 400 games. This range encompasses slots, table games, server-based gaming, social casino gaming, and bingo. Greentube prides itself on its commitment to legal compliance and regulation, holding numerous licenses and RNG certificates, which enable it to operate across various markets in Western Europe and beyond.

How To Play

  • Open the Star Supreme slot at your chosen casino.
  • Consult the paytable to understand the payouts for various symbol combinations.
  • Read the rules for bonus features to maximize your winning potential.
  • Select your bet size, ranging from $0.50 to $50 per spin.
  • Start the game by setting the reels in motion.
  • Land special symbols like the golden star to trigger the free spins feature, enhancing your chance of winning big.
  • Adjust your betting strategy based on the game’s high volatility and RTP for the best gaming experience.


Star Supreme by Greentube is a high volatility slot game that stands out for its classic fruit slot theme enriched with modern features like free spins and special symbols. Despite its below-average RTP, it offers a considerable maximum win potential, making it appealing to players seeking significant payouts. Its betting range makes it accessible to a wide audience, from casual players to high rollers. Greentube’s reputation as a provider of reliable and entertaining casino games adds to the game’s appeal, ensuring a high-quality gaming experience. However, the game’s high volatility and RTP may require a more cautious approach to betting. Star Supreme is a testament to Greentube’s ability to blend traditional slot elements with innovative gameplay features.