4 Fantastic Fish Amazon Adventure: Slot Overview
One developer determined to stake its claim in the ever-growing fish slot niche is UK-based studio 4ThePlayer. It has done exactly that with the 4 Fantastic Fish series, which has already explored, among other themes, Viking, Dream Drop, Gigablox, and Egyptian variations. This time, the brand heads to South America for some river fishing in 4 Fantastic Fish Amazon Adventure, a slot that brings back plenty of familiar mechanics while adding a newer (for the series) pick ‘n click bonus.
Stretching 6,800 km, the Amazon River is the longest river in the world, and 4 Fantastic Fish Amazon Adventure lets players sample a small slice of it. The viewpoint sits close to the waterline, showing trees, hills, and scenery above, with weeds and underwater details below. The series is known for vivid, punchy presentation, and while 4 Fantastic Fish Amazon Adventure may not be quite as loud or as bright as some entries, it’s still far from a bleak fishing excursion.

Bound together with rope, 4 Fantastic Fish Amazon Adventure uses a 6×4 gaming grid featuring 4,096 ways to win. Winning combinations must start on the leftmost reel, with matching symbols required on neighbouring reels. The top RTP is 94%, with a lower 90.5% edition also available, and the volatility is high. Stakes range from 20 c to $/€80 per spin, and multiple core bonuses can be accessed via the feature buy menu.
At the low end, symbols are 10 through A card icons, paying 1.5x to 2.5x for 6 OAK, followed by hats, buckets, frogs, birds, and a fisherman, which pay 3x to 10x the bet for 6 OAK. Wilds replace all standard paying symbols but cannot appear on the leftmost and second reel at the same time.
4 Fantastic Fish Amazon Adventure: Slot Features

4 Fantastic Fish Amazon Adventure includes Money Ways wins, Piranha Frenzy, Giant Anaconda, Amazon Respins, Temple Pick-A-Win, and feature buys.
Money Ways
Piranha symbols arrive carrying cash values that can increase from left to right, with Big Game Prizes – the Big 50x, Super 200x, Mega 1,000x, and Ultra 10,000x appearing on the rightmost reel. Hitting a winning way of Piranha symbols pays their shown value, with Big Game Prizes also counting as part of Piranha symbol way wins.
Piranha Frenzy & Giant Anaconda
During the base game, Piranha Frenzy can generate or enhance wins involving Piranha symbols. In the respins feature, it may shift sideways to lock onto open reels. The Giant Anaconda, on the other hand, can swap symbols to create or improve Piranha symbol wins in the base game, or it can move Piranha symbols from closed reels to open reels during the respins bonus.
Amazon Respin Bonus
Hitting 3 or more Respins scatters activates the Amazon Respins bonus. Reels where scatters land become opened, while the remaining reels stay closed. Any Piranha symbols landing on open reels are locked in place and award their value. Piranhas that land on the triggering spin lock to reels whether they are open or not, though newly landing Piranha symbols cannot lock onto closed reels.
The feature begins with 3 respins, and the counter resets whenever Piranha symbols land on open reels. If a Respins scatter lands on a closed reel, that reel opens for the rest of the feature. When an open reel becomes filled with Piranha symbols, a Gator collects the prizes from it and doubles the total value, freeing up room for additional Piranha symbols to drop in. The 10,000x Ultra is excluded and will not be collected by the Gator. The bonus ends once the respins run out.
Temple Pick-A-Win Bonus
This bonus starts when 3 or more Pick-A-Win scatters land. The number of picks granted matches the number of triggering scatters. Players click step pyramids on the screen to uncover cash prizes.
Feature Buy
Amazon Respins, Temple Pick-A-Win, or Piranha Frenzy can be purchased for 75x, 150x, or 30x the bet, respectively.

4 Fantastic Fish Amazon Adventure: Slot Verdict
Reviewing 4 Fantastic Fish Amazon Adventure, it was difficult to avoid the sense of diminishing returns. It does what it sets out to do, but beyond the Amazon-side backdrop, it stays extremely close to earlier entries and doesn’t bring much that the other 4 Fantastic Fish titles haven’t already covered. The feature set has no glaring problems and remains a solid rival to the Fishin’ Frenzies and Big Bass Bonanzas on the market – using Money Ways rather than a collector symbol to scoop up values is a refreshing twist, and chasing Big Game Prizes on the rightmost reel helps build tension. The downside is that players have effectively been here multiple times already, and the recycled feature mix plus a weak max RTP don’t help its case.
The fresh addition is also not especially thrilling. Temple Pick-A-Win may briefly pull players away from the river to explore more of the setting, but it’s a straightforward mechanic that has existed for ages: pick, click, collect. It may appeal to fans of classic bonuses, and extra routes to cash are always welcome, yet it doesn’t meaningfully elevate what was already present. The max win is still respectable at 11,340x the bet, placing it broadly in line with the rest of the series except for the Dream Drop entry. Overall, 4 Fantastic Fish Amazon Adventure is a decent enough instalment that doesn’t harm the franchise, but it doesn’t add a great deal either.
-
Provider4ThePlayer
-
RTP94% | 90.5%
-
VolatilityHigh
-
Reels6
-
Rows4
-
Paylines4,096
-
Min/Max Bet0.20/80
-
Max Win11,340x
-
Hit Freq23%
-
Release DateMay 29, 2025
Try 4 Fantastic Fish Amazon Adventure Now!
Play this slot with exclusive bonuses on 1xBet
Play on 1xBet