Portal Master Slot by Mancala Gaming 

Portal Master is a rather unique game by Mancala Gaming that is filled with tons of excitement and fun. Not only does this game have a fantastic theme, but it also features up to 1,024 paylines through which players can form winning combinations, but it also has great in-game bonuses. The layout of Portal Master is 5x4, meaning that players will spot 5 reels and 4 rows at the centre of the screen. 

Additionally, Portal Master meets the highest standards of today, which is why it utilizes JS and the latest HTML5 technology. The minimum bet for this fantasy-themed slot is 10 coins (€0.10) and the maximum is 900 coins (€90). 

RTP and Volatility

Portal Master comes with an RTP rate of 95%. As for the volatility rate, the slot game has low-medium volatility.

Game Symbols

There are a total of 9 regular symbols in Portal Master. The low-paying category is represented by the card suits, while the high-paying category is represented by various badges. The featured card suit symbols are the clover, hearts, spades, and diamond. All of them have an equal maximum payout – 270 coins. The green badge is the first high-paying symbol in Portal Master. It has a maximum payout of 720 coins. Then, we have the blue badge which has a maximum payout of 1,350 coins. The purple badge has a maximum payout of 13,500 coins, and finally, the orange badge has a maximum payout of 225,000 coins. 

Apart from the regular symbols, there are three special symbols in Portal Master. The first one is the Portal Master Wild which acts as a substitute for all regular symbols and appears only on reel 3. It expands and covers the whole reel and grants players the second special symbol – Energy Spheres. The crystal acts as the Scatter.

Bonus Rounds & Free Spins

Earning Free Spins in Portal Master is not done via the Scatter. The Energy Spheres are at the centre of this feature. There are 3 types of Energy Spheres – Low-Level, Mid-Level, and High-Level. Free Spins are obtained by trading 2 Mid-Level Energy Spheres and one High-Level Energy Sphere. The number of Free Spins is randomly determined and it can be anywhere between 10, 15, 20, or 25. 

During the Free Spins feature, the Wild symbol remains on the third reel and is added to the second and fourth reel.

Even though the RTP rate of Portal Master is lower than the average, there are tons of fantastic features that make this game very entertaining. The HD graphics, unique theme, simple gameplay, as well as rewarding in-game bonuses are just a few of those features.