Play Demo
The underwater cut scene clears. A puffin and penguin spin aside as the reels surface into a Mediterranean coral setting. In the top left, Elmo the sloth is cruising on what turns out to be a hoverboard, collecting pearls. A Jamaican voice announces “drop the beat” every time the bonus triggers. The soundtrack is upbeat and genuinely good in the first few minutes, then stops being good when you realise there’s no visible mute button and the only fix is to reload. That’s a specific irritation in what is otherwise a well-assembled fifth entry in the ELK Studios Tropicool series, now shrunk from a 6×6 to a 6×5 grid and introducing Kyle the Mystery Crocodile as the newest character in the cast.
The Cool Reel sits above the main grid, dropping feature symbols downward every time an avalanche creates space. In Tropicool 5, that reel is two rows tall rather than the three rows used in earlier entries, but it still delivers the same rotation of Wilds, Locked Wilds, Mystery symbols, Row Swaps and the series’ character-driven modifiers: Wild Egg birds, Elmo’s Pearl drop and Kyle’s Mystery fill. The X-iter buy menu offers five entry points from 3x to 500x your bet. The 100x Bonus buy returned 70x on a six-drop run in our session. Not ideal on purchase, but representative of the feature at its lower end. At 25,000x maximum and 94.0% RTP, patience and patience alone is the strategy for real money play.
A two-row feature reel above the main 6×5 grid. When an avalanche creates empty spaces in the main grid, feature symbols slide in from the right and drop down into those spaces. Ice cubes in the Cool Reel act as spacers and are removed on contact. The Cool Reel refills from the right after each drop, keeping new feature content coming throughout a round. Features activate in a set order after each avalanche: Mystery symbols reveal first, then Row Swap fires, then Elmo, then the Bonus trigger check.
The standard Wild substitutes for any paying symbol. The Locked Wild carries a charge count (displayed on the symbol) and remains sticky on the grid for that number of winning combinations before expiring. Locked Wilds persist through both the main game and the Bonus Game.
Any paying symbol can appear as a golden version carrying a win multiplier. The value is determined by the symbol’s position on the grid. 2x on the top row, increasing by 1 for each row below, up to a maximum of 6x on the bottom row. Multiple Golden Symbols in the same column have their multipliers added together. Golden Symbols in different columns have their multipliers multiplied against each other, which can produce large compounding values when multiple columns are involved in the same winning combination.
Mystery symbols reveal a randomly chosen paying or feature symbol once all winning combinations in the current drop have resolved. All Mystery symbols present in the same drop reveal as the same symbol type.
The Row Swap feature symbol selects one paying symbol from its row and replaces all other symbols on that row with the same type. If the selected symbol is the Flamingo, Toucan, or a Wild, all other symbols on the row become Wilds instead. Row Swap activates after wins and Mystery reveals are complete. Multiple Row Swap symbols on the same row extend the replacement to their column positions.
The Wild Egg is a sticky Wild. When at least one empty position exists below it in its column, it activates and transforms into either a Toucan or Flamingo Wild Bird. The size of the bird is determined by the number of empty positions available in that column, ranging from 1×2 to 1×5. The Wild Birds function as Wilds and are removed when they contribute to a winning combination.
Elmo the sloth sits at the top left of the screen collecting pearls from clamshell symbols that appear on the grid. When no winning combinations remain and Elmo has collected a pearl, there is a chance he will drop all collected pearls onto the grid, clearing the top 3, 4 or 5 rows and triggering the entire Cool Reel to drop into the main grid simultaneously. The amount of pearls collected carries over between game rounds at the same bet level.
Kyle is a 6×2 symbol that slides into the Cool Reel. While positioned above the grid, he drops Mystery symbols into any available empty spaces below him. Kyle moves to the left when no further empty positions are available beneath him.
Most paying symbols, plus Row Swap, Wild, Locked Wild and Mystery symbols, can appear as 2×2 big symbols. A 2×2 big symbol counts as four individual 1×1 symbols of the same type. If a big symbol cannot fully drop from the Cool Reel into the grid, it splits into individual 1×1 symbols.
Three or more Bonus symbols anywhere on the main grid trigger the Bonus Game when no winning combinations remain and all other features have activated. Bonus drop count scales with symbols landed. 3 symbols = 6 drops, 4 = 9 drops, 5 = 12 drops, 6 = 15 drops. During the Bonus Game the Cool Reel also contains Extra Drop symbols (adding 1, 2 or 3 bonus drops) and Multiplier symbols (adding 1x, 2x or 3x to the global win multiplier, which starts at 1x). Locked Wild symbols carry over between bonus drops until fully used.
Five purchase options are available at any time during the main game.
Six columns, five rows, 15,625 ways to win. Wins form from the leftmost column across consecutive adjacent columns with no gaps. Only the longest winning combination per active payline is paid. The avalanche system removes winning symbols after each payout, with Cool Reel feature symbols dropping into the created spaces and new paying symbols refilling from above. Each bet is 100 coins. The theoretical RTP is 94.0% in all game modes, including all X-iter options. Running a few rounds in free play demo mode before committing real money is useful for getting a feel for the pace.
The speed of this game deserves a mention before you start. The drop system resolves quickly and the auto-spin option is easy to activate accidentally. On a run of non-winning drops the credits can diminish faster than expected. Setting session limits in the controls before starting is worth doing, particularly at higher bet levels.
One audio note. The mute control is not visible during a session. If you want to play with sound off, the option appears on the startup screen before the reels load. Reloading the game is the only way to access it mid-session.
Figures are multiples of the total bet at a $1.00 stake. All symbols pay from 3 consecutive columns.
| Symbol | 6 of a kind | 5 of a kind | 4 of a kind | 3 of a kind |
|---|---|---|---|---|
| Strawberry | 2.00x | 1.50x | 1.20x | 1.00x |
| Pineapple | 1.00x | 0.80x | 0.60x | 0.50x |
| Lime | 0.80x | 0.60x | 0.50x | 0.40x |
| Watermelon | 0.60x | 0.50x | 0.40x | 0.30x |
| Grapes | 0.60x | 0.40x | 0.30x | 0.20x |
| Yellow / Green / Pink / Purple berry | 0.40x | 0.30x | 0.20x | 0.10x |
Tropicool 5 is mechanically accomplished and visually polished, which is the expected standard from ELK Studios at this point in the series. The Golden Symbol multiplier system is a genuine addition. Position-based values compound across columns create real tension when multiple golden symbols align during a chain. The Wild Egg hatching system gives the cast of characters something functional to do rather than existing purely as decoration. Kyle the Crocodile is a useful addition; having him slide across the Cool Reel depositing Mystery symbols into empty spaces adds an extra layer of active anticipation to the base game between avalanche sequences. The 94% RTP is the consistent objection across the series since Tropicool 2, and it remains one here.
The cut scene is a strong opening. The underwater Mediterranean setting is the best-looking backdrop in the series so far, and the way the avalanche system cascades through chains of drops during standard play maintains visual engagement even across blank sequences. The pace is notably fast. The drop system resolves in roughly a second per avalanche, and with auto-spin active it is easy to burn through a stake without registering how quickly the rounds are passing. This is genuinely something to set parameters for before starting.
The “drop the beat” voiceover was funny for the first two or three triggering events, then became noise, then became irritating after the fourth. Finding no mute button, and discovering after a full search that it only appears at the startup screen, is the kind of interface decision that doesn’t match the production quality of everything else in this game. ELK Studios builds some of the most considered slot interfaces in the industry. Missing the in-session mute was a surprising omission.
The 100x Bonus buy ran to six drops. Those six drops involved multiple avalanche chains, the neon nighttime backdrop, extra drop symbols extending the run, and multiplier symbols building the global win figure. Even at 70x, a net 30x behind the purchase price, the feature round was genuinely good to play. The feature works. It’s the RTP context around it that gives pause. If you pick up the Bonus Game naturally in standard play, that 70x return feels satisfying. If you paid 100x for it, it requires a stronger run than this session produced to feel justified.
Elmo the Sloth is looking super cool on his hoverboard!
A 70x result from a 100x purchase. Not ideal, but that seems like a typical result.
Tropicool 5 is the latest entry in ELK Studios’ five-game franchise following Tony Toucano, Fiona Flamingo and Elmo the sloth across a series of improbably frozen tropical locations. The core structure (Cool Reel, avalanche system, X-iter buy options, four-jackpot character modifiers) has been consistent throughout. Each entry has introduced at least one new character or structural twist.
| Title | Release | Grid | Ways | RTP | Max Win | Key Addition |
|---|---|---|---|---|---|---|
| Tropicool | May 2021 | 6×6 | 46,656 | 95% | 10,000x | Series debut. Tony & Fiona. 3-row Cool Reel, medium volatility |
| Tropicool 2 | February 2023 | 6×6 | 46,656 | 94% | 25,000x | Introduced Elmo the sloth. RTP drops, max win doubles |
| Tropicool 3 | April 2024 | 6×6 | 46,656 | 94% | 25,000x | Gravity/Cygnus-style drop mechanic. Las Vegas frozen setting |
| Tropicool 4 | February 2025 | 6×6 | 46,656 | 94% | 25,000x | Walking Wilds and Walking Multipliers. Grid Flip feature |
| Tropicool 5 | January 2026 | 6×5 | 15,625 | 94% | 25,000x | Kyle the Crocodile. Golden Symbols. Wild Egg birds. Grid shrinks to 5 rows |
The series pattern shows a one-off RTP drop from 95% to 94% at Tropicool 2 that has remained ever since. The max win cap increased at the same point and hasn’t moved in the three entries since. The most notable change in Tropicool 5 is the grid reduction, the only time in the series that the playing field has contracted rather than remained consistent. Whether this reflects the accommodation of the Golden Symbol system or a deliberate design choice is not explained in the game, but the reduction in ways to win is material.
