Crab Trap

Crab Trap Slot Review

A wooden fishing shack leans over a sunny dock, a lighthouse on the headland and palm trees on the island across the water, with a silver fish hung by its tail as a warning of what usually ends up in the nets. Crab Trap isn’t interested in that fish. It’s a slot that saves almost all of its paying potential for one slow construction project, and the ordinary spins in between exist to feed it.

Crab Trap is NetEnt‘s 6×4 scatter pays slot, running at 96.07% RTP with a 1,100x top prize and bets from 0.1 to 400 per spin. It sits in the same cluster-pays lineage as Lost Relics 2 and Aloha, though it builds its wins a frame at a time rather than all at once. Wins land on roughly 31% of spins, and most of them are small change for something bigger being assembled in the background.

Scatter Pays on the Dock

Wins don’t follow lines here. Instead, symbols pay in scattered groups anywhere across the six reels, with a different threshold for each tier: 5 or more high-win symbols, 6 or more medium-win symbols and 7 or more low-win symbols all count. Simultaneous wins from different symbols are added together, and only the highest win per combination is paid. There’s no wild in the game at all.

All symbol values are multiples of the total bet:

• Boot, Acorn/Shell (high-win): 5 pays 0.4x, 6 pays 1x, 7 pays 2.5x, 8 pays 5x, 9 pays 10x the total bet
• Bucket, Starfish (medium-win): 6 pays 1x, 7 pays 2x, 8 pays 4x, 9 pays 8x the total bet
• J, Q, K, A (low-win): 7 pays 1x, 8 pays 2x, 9 pays 4x, 10 pays 8x the total bet

Those ladders are modest, and deliberately so. The scattered wins are the small change of Crab Trap; the real money arrives through the trap frames and the crabs that land in them. Payout values scale with the selected bet, so the multiples hold at every stake.

The royals earn their low-win tag honestly, needing the biggest clusters for the smallest returns, while the Boot and Acorn/Shell tier rewards patience up top. That gap is the working definition of a filler symbol in this game.

Trap Frames and Re-Spins

Two boats run the trap-laying operation. Blue Boat symbols can appear anywhere on the reels, in the main game and in free spins, and each one adds a Trap frame to its own position plus 1 to 5 further Trap frames on random empty positions. Red Boat is the trigger, and it’s choosy about where it shows up: reel 4 in the main game, reel 3 during free spins.

In the main game, the Red Boat only appears once five or more Trap frames are already on the reels, and its arrival awards a Re-Spin. In free spins the rule loosens: every Red Boat appearance awards a Re-Spin, no frame count required.

A full sequence runs like this. Blue Boats land across several spins, dropping frames onto empty positions one handful at a time. Once the count reaches five, the Red Boat can appear and lock in a Re-Spin. The reels spin again with the frames held in place, and anything that lands on them settles at the end of that Re-Spin.

The loop is simple to read once it’s running. Boats seed the board, the red one fires the Re-Spin, and the settlement comes when the reels stop.

Colossal Crabs

Crab symbols come in three sizes. Singles can appear anywhere; 2×2 colossal Crabs land on reels 1-2 and 4-5; and 3×3 colossal Crabs land on reels 1-3 and 4-6. Colossal symbols may be fully or partially displayed, depending on how the reels stop, so a 3×3 that straddles a reel edge can still pay from whichever part is showing. Each size carries its own prize ladder:

• Single Crab: pays 1, 2, 5 or 10 times the bet
• 2×2 Colossal Crab: the mid-size trap earns between 10 and 100 times the bet
• 3×3 Colossal Crab: the headline catch, worth 100, 200, 500 or 1000 times the bet

Settlement happens at the end of Re-Spins. Every Crab sitting on a position with a Trap frame pays its value, and the frame beneath it then disappears. Frames without a Crab on top stay on the reels, waiting for the next round. That’s the detail that gives the game its long-game shape: an unlucky Re-Spin doesn’t wipe the board, it banks it.

Free Spins

Scatters landing anywhere in the main game open the bonus round, and the more of them, the better:

• 3 Scatters award 5 Free Spins
• 4 Scatters award 7 Free Spins
• 5 Scatters award 10 Free Spins
• 6 or more Scatters award 15 Free Spins

Re-Spins work inside the round too, played out before the next free spin begins. The difference is what happens afterwards: when a Re-Spin finishes during free spins, the Trap frames don’t clear. They stay on the reels until the round ends.

That persistence changes the arithmetic. A long bonus can accumulate frames across every Re-Spin it triggers, so the board a 3×3 colossal lands on late in the round may bear little resemblance to the one the round started with. It also means the free spins count matters less than usual: a five-spin round that catches a run of Red Boats can outperform a fifteen-spin round that doesn’t, because every Re-Spin is another chance to build and settle before the counter moves on.

Buy Feature

A Buy Feature button sits on screen throughout, skipping the scatter wait and opening the free spins round directly. The buy runs at 96.05% RTP, a shade under the base game’s 96.07%, so the shortcut costs almost nothing in expected return.

Our Honest Verdict

Overall Rating: 7.7/10

This is a waiting game, and the waiting is the point. The one reason to pick it over any other seaside slot is that the board you leave a spin with matters more than the spin itself: every boat that lands is laying groundwork for a settlement later. When that settlement finally comes, it lands with real weight.

The best thing here is free spins, where nothing clears between spins and a run of Red Boats turns five free spins into something far bigger than the scatter count suggests. The weakness is the base game: the symbol pays that carry it are thin, capped at 10x the bet, and the frame-building can stall for long stretches with nothing to show for it.

It’s a good home for players who like a slot that accumulates, who’d rather watch a trap fill than chase a jackpot. Anyone after big headline multiples won’t find them at this dock, but the patient type will feel well rewarded by the end of the day’s fishing.

Crab Trap FAQs

• What is the RTP of Crab Trap?

  Crab Trap runs at 96.07% RTP. If you use the Buy Feature, the return is 96.05%.
• What is the hit frequency of Crab Trap?

  Wins land on roughly 31% of spins.
• How do paylines work in Crab Trap?

  There are no paylines. Symbols pay in scattered groups anywhere on the 6-reel, 4-row grid, with a threshold for each tier: five or more high-win symbols, six or more medium-win symbols, or seven or more low-win symbols all award a win. Wins from different symbols on the same spin are added together.
• How do you trigger Free Spins in Crab Trap?

  3, 4, 5 or 6 or more Scatter symbols anywhere on the reels in the main game award 5, 7, 10 or 15 Free Spins respectively.
• What does the Red Boat symbol do in Crab Trap?

  The Red Boat appears on reel 4 in the main game and reel 3 in Free Spins. In the main game it awards a Re-Spin when 5 or more Trap frames are on the reels; in Free Spins it awards a Re-Spin every time it appears.
• What do Colossal Crab symbols pay in Crab Trap?

  Single Crabs pay 1, 2, 5 or 10 times the bet, 2×2 colossal Crabs pay 10, 20, 50 or 100 times the bet, and 3×3 colossal Crabs pay 100, 200, 500 or 1000 times the bet. Crabs only pay when they land on positions with Trap frames at the end of a Re-Spin.
• Do Trap frames disappear during Free Spins?

  No. When a Re-Spin finishes during Free Spins, Trap frames stay on the reels until the round ends. Only frames with a Crab symbol on them clear, after paying.
• What is the maximum win on Crab Trap?

  The maximum win is 1,100x the bet.
• What are the minimum and maximum bets on Crab Trap?

  Bets run from 0.1 to 400 per spin.