Monster Thieves

(41 votes)
Upload a screenshot and win!
Something wrong with the game? Click here to know more.
Report a problem

Best Online Casinos to Play for Real Money

King Billy Casino King Billy Casino
Welcome Pack €2500 +250 Free Spins
Skol Casino Skol Casino
up to $1300 + 250 Bonus Spins
Casino Cruise Casino Cruise
55 Free Spins + 100% up to $/£/€200 + 200 Free Spins
Vulkan Vegas Vulkan Vegas
Up to CA$/€/$1500 + 150 Free Spins Only the first and the second deposit made within 7 days after the activation of the bonus are taken into account with the offer. Max bonus amount for the first deposit is €300; for the second starting from €15 —€400, for the second starting from €50 — €700. 30x wagering requirements for free spins and 40x for bonuses. The maximum bet allowed when playing with bonus money is of $/C$/€5.

Rules and Gameplay

Monster Thieves is an enchanting 5-reel, 4-row slot game developed by Mancala Gaming that introduces players to a whimsical world of mischievous monsters. The game operates on a 1024-ways-to-win mechanism, which means players have numerous opportunities to secure wins by matching symbols in adjacent reels, starting from the leftmost reel. The game’s betting range is designed to accommodate a variety of players, starting from as low as $0.10 up to $90 per spin, ensuring that both high rollers and casual players can enjoy the game alike. Players can utilize features such as Autoplay for continuous spins and Max Bet to automatically set the stakes to the highest permissible limit.

Bonus Features

Monster Thieves slot is packed with engaging bonus features that not only enhance the gameplay experience but also increase the chances of winning. The key bonus features include:

  • Wild Symbol: Appears on reels 2, 3, 4, and 5, substituting for all symbols except the Bonus symbol to form winning combinations.
  • Bonus Symbol: Landing at least 3 Bonus symbols triggers the Pick a Box bonus game, offering players a choice between 5 boxes that contain free spins or cash rewards.
  • Multiplier Symbol: This symbol appears exclusively on the fifth reel and doubles the winnings of any combinations it’s part of.
  • Free Spins: Through the Pick a Box game, players can win between 1 and 30 free spins along with cash prizes, adding an extra layer of excitement and reward potential.

These features are strategically designed to keep the gameplay thrilling and rewarding, providing players with multiple avenues to increase their winnings.


The Monster Thieves slot game features a delightful assortment of symbols, divided into high-paying and low-paying categories:

  • High-Paying Symbols: Socks, toilet paper, headphones, and keys, with socks being the highest-paying regular symbol, offering up to 54,000 coins for a winning combination.
  • Low-Paying Symbols: The card suits – spades, hearts, clovers, and diamonds, providing smaller wins that add up over time.
  • Special Symbols: Include the Wild, Bonus, and Multiplier symbols, each playing a unique role in enhancing players’ winning potential.


Monster Thieves offers players a chance to win substantial payouts, with a diverse range of symbols contributing to the overall winning potential. Here’s a brief overview of the payout structure for some of the symbols:

Symbol 3x Combination 4x Combination 5x Combination
Socks 20x 40x 60x
Keys, Headphones 0.3x 0.5x 0.7x
Spades, Diamonds 0.2x 0.3x 0.5x

This structured payout system rewards players for landing combinations of various symbols, with the potential for significant wins through high-paying symbols and special feature activations.


Instead of traditional paylines, Monster Thieves utilizes a 1024-ways-to-win format, meaning wins are awarded for any matching symbols in adjacent reels from left to right. This innovative approach offers players more opportunities to win on each spin, as it removes the constraints of traditional payline slots, making the game more exciting and unpredictable.

Pros & Cons

Pros Cons
1024-ways-to-win format offers numerous winning opportunities Below-average RTP at 95%
Engaging bonus features including free spins and multipliers Limited jackpot potential with a maximum win of 270x your stake
Fully optimized for mobile and desktop devices Unknown volatility may affect planning of betting strategy

Minimum and Maximum Bet

The betting range in Monster Thieves is designed to cater to a wide audience, with the minimum bet set at $0.10 and the maximum bet reaching up to $90. This range makes the game accessible to both casual players who prefer lower stakes and high rollers looking for more significant betting options.

Game Jackpot

The jackpot in Monster Thieves is not progressive, capped at a maximum win of 270x your stake. This means the highest payout you can achieve in a single spin could reach up to $24,300 when betting at the maximum stake. The game’s RTP (Return to Player) is set at 95%, which is slightly below the industry average. The lack of detailed information on the game’s variance makes it challenging to predict the risk level, though the 1024-ways-to-win format suggests a more frequent hit rate, potentially leading to a lower volatility experience.

About Provider

Mancala Gaming is a reputable provider known for its innovative and visually appealing slot games. Established with a commitment to quality and creativity, Mancala Gaming has quickly made a name for itself in the online casino industry. Their games are characterized by unique themes, engaging gameplay mechanics, and compatibility across various devices, ensuring a premium gaming experience for all players.

How To Play

  • Start by setting your bet size using the Bet +/- buttons. You can choose any amount between $0.10 and $90 per spin.
  • Once you’ve adjusted your bet to your liking, press the Spin button to set the reels in motion.
  • If you prefer not to press Spin every time, you can utilize the Autoplay feature. This allows you to choose a set number of automatic spins, making your gaming experience more convenient.
  • Watch out for the Wild, Multiplier, and Bonus symbols as these trigger the game’s special features, enhancing your chances of securing a win.
  • To win, you must land matching symbols on adjacent reels, starting from the leftmost reel. The 1024-ways-to-win mechanic facilitates numerous winning combinations.


Monster Thieves by Mancala Gaming is an engaging slot game that stands out with its unique theme, comprehensive range of betting options, and exciting bonus features. Despite the lower-than-average RTP and a maximum win potential that may not appeal to all players, its 1024-ways-to-win format and the immersive gaming experience it offers make it a worthy addition to any slot enthusiast’s collection. With its blend of entertaining gameplay and the potential for rewarding payouts, Monster Thieves is a game that can provide hours of fun and possibly some significant winnings.