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NetEnt · Slot Review

Crab Trap — Full Review & Free Demo

3.2/5
Play for Real →
RTP
96.07%
Volatility
Average
Max Win
1,191x
Provider
Reels
6
Bet Range ($,€,£)
0.10 - 40
Rating
3.2/5
Released
Aug 2023

Crab Trap Slot Overview

Crab Trap is a seaside slot from NetEnt built on a 6x4 grid with a scatter pays setup. I get a laid-back harbour vibe from it straight away, bright colours, cheerful audio, and a ruleset that is busier than the theme first suggests. The key idea is simple enough, Blue Boat symbols place Trap frames, Red Boat symbols can kick off respins, and the whole session revolves around catching value-loaded Crab symbols.

From a session point of view, chat, this sits in the medium-volatility lane with a 96.07% RTP and a max win of 1191x bet. Bets run from 0.10 up to 400. If I'm honest with viewers, the top end is modest, so I would not stream this for pure max-win hunting, but I would stream it for feature flow and a more readable pace.

Symbols and Payouts

6 reels and 4 rows work with scatter pays, so matching symbols can land anywhere on the board. Low pays are J to A and need 7 or more to connect for a win, paying from 1x bet for 7 up to 8x for 10 or more. Medium pays are the starfish and bucket, needing 6 or more, again rising from 1x to 8x by 9+ symbols.

High pays are the buoy and boot. Those need 5 or more and start at 0.4x bet, climbing to 10x for 9+ symbols. One thing to flag for viewers, there is no wild at all, which makes the base game feel a bit stricter. Boats and crabs handle the feature side instead, and the scatter is a lifebuoy.

Symbol Payouts

icon 1
9+x1
8x0.5
7x0.25
6x0.1
5x0.04
icon 2
9+x1
8x0.5
7x0.25
6x0.1
5x0.04
icon 3
9+x0.8
8x0.4
7x0.2
6x0.1
icon 4
9+x0.8
8x0.4
7x0.2
6x0.1
icon 5
10+x0.8
9x0.4
8x0.2
7x0.1
icon 6
10+x0.8
9x0.4
8x0.2
7x0.1
icon 7
10+x0.8
9x0.4
8x0.2
7x0.1
icon 8
10+x0.8
9x0.4
8x0.2
7x0.1
icon 9
Special
icon 10
Respin
icon 11
Respin
icon 12
Scatter

Crab Trap Slot Features

Blue Boat and Red Boat are the whole engine here. The Blue Boat can appear on any reel in base game and free spins, adding a Trap frame to its own spot plus 1 to 5 more on random positions without Traps. The Red Boat appears on reel 4 in the base game and reel 3 in free spins. In the base game, it can trigger a respin when at least 5 Trap frames are already on the reels. A respin can also happen when a Blue Boat adds Traps across all reels.

During respins, regular scatter wins are off, only Crab values matter. Single Crabs can land anywhere and carry 1x, 2x, 5x or 10x bet. Big ones matter more, 2x2 colossal Crabs pay 10x to 100x, and 3x3 colossal Crabs pay 100x to 1000x. If a Crab lands inside a Trap on the triggering spin or during respins, it locks. New trapped Crabs award another respin. If a colossal Crab is not fully framed and visible, it breaks into smaller single Crabs for lower value, which is a real limiter on the headline numbers.

Free Spins trigger from 3, 4, 5 or 6+ scatters for 5, 7, 10 or 15 spins. Every 3 collected scatters in the bonus adds +1 extra spin. Trap frames from the trigger carry in, and if respins and free spins hit together, respins play first. In free spins, any Red Boat triggers a respin and Traps are not removed afterwards, which is where the feature gets stronger. Bonus Buy lets me buy 6 free spins for 50x bet, with the same RTP, saved Trap frames, and 10 extra Traps added for the bought round.

Bonus Buy Options

Bonus Buy Respins
Respins
Blue Boat symbols add Trap frames to the grid, while Red Boat symbols can trigger a respin. During respins, only Crab symbol wins are paid, and trapped Crabs lock for possible extra respins.
Bonus Buy <nlp>Free Spins</nlp>
Free Spins
Land 3, 4, 5, or 6+ scatters to win 5, 7, 10, or 15 free spins. Every 3 collected scatters in the round award +1 extra free spin, and Trap frames can carry into the feature.
Bonus Buy <nlp>Bonus Buy</nlp>
Bonus Buy
Buy 6 free spins for 50x bet. Saved Trap frames remain from the base game, 10 new Trap frames are added, and the RTP stays the same.
Feature Cost: 50xRTP: 96.07%
💬 What Players Say
Reviews liked the visuals, sound and the trap-based respin loop. Most criticism was aimed at the modest 1191x max win and a base game that can feel a bit light. Based on 4 reviews.
Ryan Cole’s Verdict

Crab Trap Slot Verdict

Crab Trap is one of those slots where the full appeal is in the setup. I want Blue Boats building the board, then a Red Boat at the right moment, then chained crab catches. That gives the session a decent rhythm for stream chat because everyone can read the state of the reels and see whether the board is getting live. Free spins help by keeping Trap frames around, so the bonus feels more purposeful than the base game.

My main reservation is the ceiling. 1191x is not huge, and the game makes you work even for the larger colossal Crab values because incomplete coverage drops them into smaller pieces. So yes, I'd stream this, but as a medium-volatility feature slot, not as a big-win headline game. Worth a session if viewers like clean mechanics and steady bonus chasing.
3.2
★★★☆☆
out of 5
✓ Pros
Distinct trap-and-respin core mechanic
Free spins can keep traps active
Medium volatility suits steady sessions
Clear scatter pays rules
Bonus buy available at 50x
✗ Cons
Low max win for 2023 slot
Base game can feel plain
No wild symbol at all
Big colossal crabs are hard to realise
Ryan Cole
Ryan Cole
Lead Casino Slots Analyst
5+ years analysing online slots for the UK market. Every game is played for a minimum of 500 demo spins before publication. No affiliate bias — ever.
View All Reviews →
Crab Trap FAQ
How do the Blue Boat and Red Boat work in Crab Trap?
Blue Boat adds a Trap frame to its own position and 1 to 5 more on random empty positions. Red Boat can trigger a respin, on reel 4 in the base game and reel 3 in free spins.
What triggers free spins and how many can I get?
You need 3, 4, 5 or 6+ lifebuoy scatters in the base game. That gives 5, 7, 10 or 15 free spins, and every 3 collected scatters during the feature add 1 extra spin.
Can I buy the bonus in Crab Trap, and what does it cost?
Yes, the Bonus Buy costs 50x your current bet and gives 6 free spins. Saved Trap frames remain, 10 new Trap frames are added, and the RTP stays the same.
How do Crab symbols pay during respins?
Single Crabs can be worth 1x, 2x, 5x or 10x bet. 2x2 colossal Crabs pay 10x to 100x, while 3x3 colossal Crabs pay 100x to 1000x, but only trapped Crab positions pay when the respins end.
Why do colossal Crabs sometimes pay less than their displayed top value?
They need to be fully visible and fully covered by Trap frames to realise full value. If not, they break down into smaller single Crabs worth only 1x to 10x each.