Upgrade Fever

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Rules and Gameplay

Upgrade Fever is a visually stimulating video slot game that combines traditional and modern elements. The gameplay is straightforward, with a 5×3 reel layout and 40 paylines, where players aim to match symbols across the reels to win. Bets range from $0.2 to $100, catering to both casual players and high rollers. The Luck Meter fills with every wild that lands during the base game, enhancing the potential for big wins.

Bonus Features

Upgrade Fever is packed with exciting bonus features that enhance the gaming experience. Key features include:

  • Free Spins: Triggered by landing specific scatter symbols, providing players with additional chances to win without placing further bets.
  • Wild Symbols: Substitute for other symbols to form winning combinations and fill the Luck Meter.
  • Scatter Symbols: Can activate the Free Spins feature and offer payouts irrespective of their position on the reels.


The game employs classic-style symbols with a modern twist, including:

  • Cherries, Lemons, and Watermelons: Represent the lower-paying symbols.
  • Bells and Rings: Serve as higher-paying symbols.
  • Wild Symbols: Represented by a distinctive icon that substitutes for all other symbols to create winning combinations.
  • Scatter Symbols: Key to unlocking the game’s bonus features.


Upgrade Fever features 40 fixed paylines, providing multiple opportunities to win with each spin. Players must match symbols across these paylines to secure payouts, with the game’s design allowing for numerous winning combinations.

Pros & Cons

Pros Cons
High RTP of 96.36% Limited bonus features compared to some modern slots
Engaging classic theme with modern graphics High volatility may not suit all players
Available in multiple countries and supports various currencies Max win is only 200x, which is lower than many high-variance games

Minimum and Maximum Bet

The minimum bet in Upgrade Fever is $0.2, making it accessible for players with smaller bankrolls. On the other end, the maximum bet is $100 per spin, catering to high rollers looking for bigger win potentials. This betting range provides flexibility, allowing various types of players to enjoy the game according to their budget and risk preferences.

Game Jackpot

The maximum win in Upgrade Fever is capped at 200 times the player’s stake. The game’s RTP is 96.36%, which is above the industry average, suggesting a fair return over time. Its high variance indicates that wins can be less frequent but larger when they occur, appealing to players who enjoy a high-risk, high-reward gaming experience.

About Provider

Games Inc, the provider of Upgrade Fever, is known for creating engaging and innovative slot games. Established in 2019, they have quickly made a name for themselves in the online casino industry by combining traditional gaming elements with modern technology and features, ensuring a unique and enjoyable experience for all types of players.

How To Play

  1. Load the game at your chosen online casino.
  2. Set your bet size using the +/- buttons to adjust your stake between $0.2 and $100.
  3. Press the spin button to start the game and the reels will begin to spin.
  4. Winning combinations are formed by landing three or more matching symbols on any of the 40 paylines.
  5. Look out for wild symbols that can substitute for others to form winning combinations and scatter symbols that can trigger free spins.
  6. Fill the Luck Meter with wilds during the base game for additional chances to win.
  7. Keep an eye on your balance and play responsibly, taking advantage of the game’s features to maximize your winnings.


Upgrade Fever is an exciting slot game that combines a classic aesthetic with modern gameplay features. Its high RTP and wide betting range make it suitable for a variety of players, from those who prefer low stakes to high rollers. While the maximum win may not be as high as some other slots, the game’s engaging theme, solid RTP, and the thrill of its high volatility can provide a rewarding experience. Games Inc has created a game that is both accessible and enjoyable, making Upgrade Fever a worthy addition to the online casino slot landscape.