Northern Lights Gaming’s Bison Moon Power Combo adds a layered bonus system that makes every session feel slightly different. Played across 40 paylines on a 5x3 layout, it builds on the Link&Win mechanic but gives it extra twists through three unique Power Combo features. For players who enjoy online casino slots that are packed with variety rather than a single bonus path, this one makes a solid impression.
In Bison Moon Power Combo, the reels sit against an open plain at dusk, with herds of bison in the distance and a glowing moon casting a purple and blue tint across the scene. The symbols highlight North American wildlife: bears, lynx, moose, wolves, and raccoons all join the lower-paying card ranks. Each animal symbol is drawn with sharp detail and plenty of colour, while the Wild bison is especially bold, framed in gold. When the Power Combo features trigger, the reels don’t just change mechanically but the look of the grid shifts too. Expanding reels open up the frame to a 5x5 layout, multipliers divide the screen into coloured zones, and glowing Collect icons brighten the reels. These touches keep the graphics fresh, so it never feels like you’re spinning the same static setup.
The slot pays through combinations of 3, 4, or 5 symbols on its 40 paylines. The values are expressed as multipliers of the total bet.
Symbol | 2 of a Kind | 3 of a Kind | 4 of a Kind | 5 of a Kind |
Wild (Bison) | 0.10x | 0.40x | 1.20x | 2.50x |
Bear | 0.10x | 0.30x | 0.60x | 2.00x |
Wolf | 0.10x | 0.30x | 0.60x | 1.50x |
Lynx | – | 0.20x | 0.40x | 1.20x |
Moose | – | 0.20x | 0.40x | 1.20x |
Raccoon | – | 0.20x | 0.40x | 1.00x |
A | – | 0.10x | 0.30x | 1.00x |
K | – | 0.10x | 0.20x | 0.80x |
Q | – | 0.10x | 0.20x | 0.80x |
J | – | 0.10x | 0.20x | 0.70x |
10 | – | 0.10x | 0.20x | 0.70x |
Wilds appear in the base game and stand in for all standard symbols except Scatters, Moons, Bonus, and Collect icons.
The core of Bison Moon Power Combo is the Link&Win system, but Northern Lights Gaming has layered it with several ways to alter the bonus.
A Scatter can transform into a Golden Eagle. These are collected into a meter, and when triggered, you get to pick Golden Eagle icons to reveal either one of the Power Combo features, a set of Moons, or direct Bonus prizes.
Triggers the expanding reels mode, shifting the grid to a 5x5 setup. The extra space means more potential Moon symbols can land.
This mode divides the reels into coloured zones, each tied to a multiplier of up to 5x. When multiplier symbols land, the value of that zone rises by +1, reaching as high as 10x. If a zone is completed, all prizes inside it are multiplied before being added to the total.
Whenever a Collect symbol lands, every Moon prize currently on the reels is gathered instantly, with the spin counter resetting to three.
A smaller version of this mechanic can also appear in the base game, where a Collect symbol instantly awards all Moon and Bonus symbols on screen.
Where this game sets itself apart is the ability to land multiple Power Combo Scatters in the same bonus. Two or more features can be active at once, and they work together: Expand can combine with Collect, Multiply can join with either, or you can even trigger all three at the same time. This mix creates unpredictable bonus rounds, which keeps things exciting beyond a single feature.
The Moon symbols can also reveal jackpots:
These fixed prizes are awarded directly through the Link&Win system.
In Bison Moon Power Combo the base game sticks to a 5x3 format with 40 paylines that pay left to right. The Link&Win round always begins with three spins and resets when a new Moon, Collect, or Multiplier symbol lands. This means streaks of activity can extend the round for quite a while. Instead of just waiting for moons to stick, you might see reels open up to a wider grid, zones highlighted with different colours, or Collect icons scoop everything on screen. These changes create variety in how each round plays out, which is rare compared to many other slot games that rely on a single bonus structure.
The addition of three Power Combo features, which can stack or merge during the same bonus, makes this game more dynamic than many of its counterparts. Bison Moon Power Combo’s artwork and animations tie in well with the mechanics, so the gameplay always feels like part of the bigger theme. If there’s a drawback, it’s that the base game doesn’t have as much action compared to the feature rounds, but that only builds anticipation for the moments when the bonus lands. Overall, this slot is best suited for players who enjoy bonus-driven gameplay and want to see how different mechanics interact within a single round.