Paylines
15 paylines (player-selectable 1-15)
Neptune's Bounty drops you straight onto the seabed of a half-forgotten Greek myth, where the sea god's palace glints in turquoise water and dolphins drift past the reels in silhouette. Genii built this one on a classic 5×3 grid with 15 paylines, and the framing alone tells you what kind of session you're in for. Golden border, seahorse anchors at every corner, coral-letter low symbols that look hand-sculpted from sponge. It's calm. Almost meditative, honestly, until the features kick in.
The maths read fairly gentle. RTP sits around 96% with medium volatility, and the headline cap of 14,240 coins won't break any records in 2026. But the build is interesting. The Wild is Double-High, meaning it stacks two positions tall on whatever reel it shows up on, and it substitutes for every symbol except the two scatters. No self-pay, no multiplier, just pure coverage. You'll see those tall Neptune wilds smear across reels three and four during longer sessions and create line-wins you didn't expect.
Then there's the bonus layer, which is where this slot gets genuinely interesting. Land three Free Spin scatters anywhere and you're handed 15 spins as a baseline (four gives you 18, five gives you 22), with retriggers possible. Is 15 generous for a three-scatter trigger? For Genii, yes, actually. The catch? No multiplier inside Free Spins. That stings a little. Most modern bonus rounds bake in at least a x2, and Neptune's Bounty leans entirely on spin volume and Wild stacking to do the heavy lifting.
The real party trick is the second bonus path. Hit three Feature scatters and the game offers a choice between The Throne Room and Kraken's Cavern, two named, narrative-driven bonus games rather than the usual anonymous pick-a-prize grid. One's the king's gilded palace, the other a dark monster lair. Both pay a prize multiplied by your triggering bet. It's the kind of detail that makes a 2018-era slot feel newer than it is.
Bets run from $0.01 to $37.50 with five chip tiers, lines adjustable down to one if you want to stretch a balance. Not a max-win monster, but a charming, story-led grinder.