Mancala Gaming has introduced Coin Fusion, a Hold & Respin slot built around an expanding grid, coin collection and mystery features. The game begins on a 3x3 layout before players can increase its size during the bonus feature.
Rather than using conventional paylines, Coin Fusion employs a Pay Ways mechanic. Symbols can generate wins wherever they land on the reels, with the paid symbol grid remaining variable.
The game carries a 95% RTP and includes a bonus game. Players can also access a free demo version to test the slot and its expanding-grid mechanics.
Grid Expansion Shapes The Bonus
Coin Fusion's central feature is its Hold & Win Bonus. Once the bonus begins, the initial 3x3 grid can grow vertically to reach a maximum configuration of 7x3.
The game uses several symbols to influence potential payouts during this feature. Collector symbols can add to the player's coin values, while Double symbols can increase payouts.
Players begin with the smaller grid and can watch the playing area develop as the feature progresses. The changing layout forms a key part of the game's Hold & Respin format.
Coin Fusion also includes the HyperPlay feature, which gives players an increased chance of encountering Mystery symbols. This is a special base game feature. It raises the bet by 25% but gives players a better chance to find Mystery symbols on the reels. These symbols form part of the game's mystery-based elements and contribute to the route into its bonus play.
The slot offers a maximum potential win of 25,000x the bet.
Pay Ways Replaces Traditional Paylines
The Pay Ways system changes how winning combinations work in Coin Fusion. Instead of requiring symbols to land along predetermined lines, the game pays when qualifying symbols appear anywhere on the screen.
This structure works alongside the coin-focused gameplay, allowing players to collect coin values while the grid provides the foundation for the slot's features.
Coin Fusion has one paid symbol, while its paid symbol grid remains variable. The game does not use winning lines.
The bonus round and expanding grid give the game additional stages beyond its initial 3x3 setup. Players can explore these mechanics through the available demo before playing the slot.
HTML5 Support For Mobile Play
Mancala Gaming developed Coin Fusion with HTML5 technology. This allows the online slot to operate across mobile devices, including smartphones and tablets.
The HTML5 format is designed to provide smooth and stable gameplay on those devices, giving players access to the same core game mechanics across supported mobile hardware.
Coin Fusion therefore combines its Hold & Respin format with Pay Ways, an expanding grid and Mystery symbols. Its bonus feature can increase the starting 3x3 layout to 7x3, while Collector and Double symbols provide additional ways to affect coin payouts.
The game is available to play in demo form, allowing users to experience its grid expansion and bonus mechanics without playing for real money.
Source:
“Coin Fusion Slot Game”, mancalagaming.com, August 2026
Bixy
1 month ago
Moderator
The expanding grid and Hold & Respin mechanics sound like an interesting combination. I'll try the demo first to see how the gameplay feels before playing for real.
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marina_m575
1 month ago
Moderator
The jump from a 3x3 grid to 7x3 is probably the most interesting part of Coin Fusion for me. A 25,000x maximum win also gives the expanding-grid feature some serious potential.
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