Fuji San

Fuji San Slot Review

Cherry blossom hangs in the corners, fog washes out the horizon, and Mount Fuji sits faintly behind the reels like a watercolour still drying. It’s the calmest-looking game in the casino, and nearly everything it pays comes from winning twice. Fuji San is a 6×3 release from Rogue, the studio behind Bank Run and Chaos Coins, running at 96.32% RTP on high volatility.

Every line win starts a free respin and moves you one level up the mountain, where Reel 2 grows denser with each step. The lake stays still. The reels don’t.

Symbols, Wilds and Pays

Wins pay left to right on the 6×3 grid, and every value below is a multiple of the current base stake for three to six of a kind. The paytable splits into two clear halves: Japanese iconography at the premium end, with the Torii Gate out in front, and a run of royals from A down to 10 beneath it.

• Torii Gate: 10x, 20x, 50x, 100x
• Coin: 5x, 10x, 25x, 50x
• Fan: 2x, 3x, 4x, 8x
• Bonsai Tree: 1x, 2x, 3x, 5x
• Koi Fish: 0.8x, 1x, 2x, 4x
• A: 0.6x, 0.8x, 1.5x, 3x
• K: 0.4x, 0.6x, 0.8x, 2x
• Q: 0.3x, 0.5x, 0.7x, 1.5x
• J: 0.2x, 0.4x, 0.6x, 1x
• 10: 0.1x, 0.2x, 0.4x, 0.6x

From the Coin up, six of a kind returns a meaningful multiple of the stake. The royals pay small fractions of it at the same count, which makes any royal-heavy run of respins feel like treading water on the mountainside.

Only the top few rungs are worth climbing for. The wild is a Daruma doll, and it substitutes for every symbol except the Bonus. Six wilds on a line pay 100x, tying it with the Torii Gate at the top of the table.

Fusion Reels

This is the mountain, and the whole game is built around it. Any line win moves you up a level, and the reels then spin for free. The sequence runs like this: a win lands, the level climbs, the free respin fires, and if that respin wins too, the climb continues.

The Four Levels

• Level 1: base symbols
• Level 2: all symbols on Reel 2 are double
• Level 3: all symbols on Reel 2 are triple
• Level 4: all symbols on Reel 2 are quadruple

The upgrade sits entirely on Reel 2, which concentrates the value in one place. At the top level, a single stacked reel of quadruple symbols can build six-of-a-kind wins out of what would otherwise be modest three-symbol line hits.

Fusion Reels only kick in from Level 2 upwards; the first rung is plain spinning. The feature’s real work begins on the second win of a chain. Any break in the sequence sends you back down the mountain to start again.

Wins are multiplied by the current base stake throughout, so the stake you set is the stake every rung of the ladder pays against. There’s no separate bonus bet or side wager feeding the feature.

It’s a compounding structure rather than a one-shot modifier. Because each respin is free and each level adds density to Reel 2, a single base game win can snowball through all four levels before the sequence stops. High volatility governs how often the wins arrive to feed the ladder in the first place.

Bonus Spins

Triggering the Bonus

Bonus symbols trigger the round, and they carry their own weight: a Bonus symbol can land as Double, Triple or Quadruple, so the count and the type both matter. A couple of heavy symbols can do the work of several plain ones. The tiers break down as follows.

• X6 Bonus: 10 spins, multipliers start at 10x
• X5 Bonus: 10 spins, multipliers start at 5x
• X4 Bonus: 10 spins
• X3 Bonus: 6 spins

Inside the Round

The bonus takes Fusion Reels and pushes it further. A random Fusion Reel is selected on every spin, so the doubled, tripled or quadrupled reel shifts position from spin to spin rather than staying put. Wins run up to ten of a kind, double the base game’s ceiling.

On top of that, each spin carries a random multiplier, and those multipliers only ever move in one direction: every spin’s multiplier is higher than the last, climbing to a maximum of 100x. A round that runs long therefore ends at its strongest, with the final spins carrying the biggest multipliers and the fullest reels.

The wild stays at work inside the round, still substituting for everything except the Bonus symbol, and wins remain multiples of the current base stake. The round retriggers too, adding more spins when the Bonus symbols land again. That matters more here than in most games, because extra spins extend the multiplier climb rather than merely stretching the round out.

Buy a Bonus

There’s a Buy a Bonus option priced at 500x the base stake, which purchases direct entry to the bonus round. At that price it sits at the expensive end of the buy market. The case for it rests almost entirely on the ascending multipliers: the later spins of a round are where the money is, and buying in guarantees you reach them without waiting on the trigger.

The tier you buy into isn’t guaranteed to be the top one either, and that’s where the price pinches. An X3 round of 6 spins with multipliers climbing from the bottom has very little room to build towards anything like the 100x ceiling, while a retriggering X6 round can run long enough to get there. The spread between those outcomes is the real cost of skipping the queue.

Our Honest Verdict

Overall Rating: 7.8/10

This is a slot where progress only comes from winning again, and the serene lakeside never lets on how demanding that is. Most sessions will feel like standing at the water’s edge; the ones that chain wins together turn into a proper climb. The reason to choose it is that climb: every respin adds something the last one didn’t have.

The bonus round carries this game, and for a concrete reason: multipliers that only rise mean a long round always finishes at its strongest, so retriggers genuinely matter instead of padding the feature out. The weakness sits right beside it. The entry price of 500x the stake is steep for a round whose tier isn’t guaranteed, and a 6-spin X3 that never retriggers has almost no room to build towards the 100x ceiling.

It suits players who enjoy structure that builds, and who’d rather a feature reward patience than hand everything to the first spin. Anyone chasing big, immediate base game hits will find the fog lasts longer than the climbing. For the rest, the mountain is well made.

Fuji San FAQs

• What is the RTP of Fuji San?

  Fuji San runs at an RTP of 96.32%, which sits comfortably above the industry average for an online slot.
• Is Fuji San high volatility?

  Yes, Fuji San is a high volatility slot, so wins tend to be less frequent but with more potential for larger payouts, particularly through the Fusion Reels ladder and the bonus round.
• What is the grid size of Fuji San?

  Fuji San plays on a 6×3 grid, with three rows across six reels and wins paid as multiples of the current base stake.
• How do Fusion Reels work in Fuji San?

  Every line win moves you up the mountain and awards a free respin. At Level 2 all symbols on Reel 2 are double, at Level 3 they are triple, and at Level 4 they are quadruple. The sequence continues as long as each respin produces another win.
• How do you trigger the bonus in Fuji San?

  Bonus symbols trigger the round, and they can land as Double, Triple or Quadruple. An X6 Bonus awards 10 spins with multipliers starting at 10x, an X5 Bonus awards 10 spins with multipliers starting at 5x, an X4 Bonus awards 10 spins, and an X3 Bonus awards 6 spins. The round can retrigger to add more spins.
• What is the highest multiplier in the Fuji San bonus?

  Each spin in the bonus carries a random multiplier that is always higher than the previous spin’s, and the climb tops out at 100x. Depending on the tier you trigger, the multipliers start at up to 10x.
• When is Fuji San released?

  Fuji San’s release date is 14 July 2021.
• Who makes Fuji San?

  Fuji San is made by Rogue, the studio also behind titles such as Bank Run, Chaos Coins and Pay Dirt.