Shells N Swells Slot by Genii

The most interesting design choice here is what happens to the Wild between the base game and the bonus. In normal spins, a cartoon Hermit Crab perched on golden WILD lettering subs for everything except the two scatter symbols, paying nothing on its own. Trigger Free Spins and the Hermit Crab vanishes entirely. In its place, an Expanding Wild lands only on reels 2, 3 and 4. Reels 1 and 5 carry no Wild at all during the bonus. Most expanding-wild designs cover two middle reels. This one stretches across three, which means a single drop on reel 3 fills all three rows of the centre column and connects winning lines in both directions at once.

Both directions matters because Shells N Swells is a Win Both Ways game, so paylines resolve left-to-right OR right-to-left, and only the higher of the two pays per active line. Combined with the FS x2 multiplier (which can't be retriggered, the spin pool of 6/8/10 from 3/4/5 scatters is what you get), the bonus relies on that middle-column expanding Wild stretching combos in either direction. The other bonus runs off a second scatter entirely, the Feature scatter opens a Pick a Prize screen with variable picks: three scatters give you one pick from three prizes, four give you two from four, five give you three from five. Prizes pay against your triggering bet, and the round is locked to base play, it can't fire during Free Spins.

The paytable runs lean. Seven line symbols, all themed shells and sea creatures, no playing-card filler anywhere. Top pay is a pink-magenta sea urchin at 300 coins for five of a kind, followed by a green-striped nautilus, a cluster of small green conch shells, and four lower-tier shells down to a grey clam used as the common base. The 5x3 reels sit directly on the sandy beach with no cabinet border, palm fronds drape from the top corners, a stripe of turquoise surf laps along the bottom, and tiny shells and bits of seaweed scatter across the sand between the symbols. The "SHELLS 'N SWELLS" logo runs yellow-orange-blue across the header in chunky cartoon lettering, which suits the cheerful, summer-vacation register the whole presentation commits to. Top prize is capped at 45,000 coins, which is on the modest side, the math leans on Win Both Ways doubling your hit frequency rather than on one big symbol payout.