Habanero’s Chinese Dragon Gate slot from 2017. One Koi expands the whole reel and triggers a respin, every respin win pays 2x, plus a dual Random Progressive jackpot.
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The presentation borrows straight from Chinese temple iconography. A carved red-and-gold gate frames the 5×3 grid, two koi flanking the reels on a backdrop of cresting blue waves, and lotus blossoms with red lanterns dressing the borders. The whole thing is themed around the Dragon Gate legend at Lake Dianchi, where a koi that leaps the gate is reborn as a dragon. Reel symbols stay disciplined inside that theme: stone-cut royals (Q, K, A), bamboo, water clouds, and a row of red drum-style lanterns visible from the very first spin.
The mechanic doing the heavy lifting is the Expanding Koi Wild. A single Koi anywhere on the reels stretches vertically to swallow the whole column, three cells tall, and substitutes for the regulars. The same trigger awards a respin. If another Koi lands during that respin, the cycle extends, and per the published rules there's no documented retrigger cap. Every respin payout carries a flat 2x multiplier, which is where this game does most of its damage. Strings of consecutive Koi visits can stack into something genuinely worth chasing on a 5×3, 18-payline grid.
Free Spins sit on a separate Scatter trigger and layer on top of that Koi loop rather than replacing it. There's also a dual jackpot meter at the top of the screen, GRAND and Minor, both Random Progressive. The Grand was sitting near 9,225 EUR on the demo splash. This is the old pre-Race jackpot structure Habanero used before the 2022 reshuffle, and The Koi Gate predates the Race retrofit by about five years, so it's still running the original architecture.
One detail genuinely stands out, and not in a good way for casual players. The default bet is 5.00, not the 0.10 or 0.25 you'd expect, and the stake ladder skips straight from 5 to 20 to 30 to 40 to 50 to 70 to 100, capping out at a max stake of 90,000 with bet level multipliers in play. There is no micro-stake mode here, which makes it a strange choice for anyone wanting to spin pennies. Max win lands at 7,373x bet, modest on paper, though the doubled respins do plenty of the lifting if a Koi chain holds.
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