- Free spins
- Wins are doubled in free games.
- Gamble feature
- Below-average RTP
- The two reels can be confusing.
Contents
Introduction
The Double 27 online slot is one of the video slots games from the Casimi stable. It is played on 4x3 reels with 2 x 27 fixed paylines. These are created by splitting the reels into two 3x3 sets, enabling winning lines to be created in both sections.
This slot machine has a paying wild symbol that substitutes for all other symbols apart from the scatter. The latter triggers the free spins when at least three appear on the reels. A 2x multiplier applies in this phase of the game.
There are seven paying symbols other than the wild: five familiar fruits, a lucky 7, and a star symbol. All symbols pay as multiples of the total bet. At the end of each winning spin, the player can attempt to double their winnings via a gamble option with a 50-50 chance of success.
You will find more examples of Casimi free slot games here at Slots Temple.
Our Double 27 slot review appears below.
Theme, graphics and soundtrack
The game has a classic fruit machine theme with instantly recognisable symbols from the heyday of retro slots, although the reel layout has an intriguing twist with two 3x3 sets in play.
In the background, we see a Vegas-style sign to the left and a desert backdrop mimicking Nevada.
The soundtrack of the Double 27 slot machine is simply the sound of the reels clicking into place.
Double 27 RTP and variance
The official RTP of this slot is 95.86 per cent, which is just below the current average of 96 per cent by a sliver. The variance is at the top end of medium. For a better RTP, why not try the Jammin Jars slot here at Slots Temple?
How to play Double 27
This video slot has simple gameplay once you get your head around the split reel layout. Here are a few tips to get you started:
- When the main game screen has loaded, click the menu icon in the top right-hand corner.
- An information section opens with four screens showing the basic rules.
- The second screen explains the controls, the RTP, and the maximum win.
- The third screen has the gamble feature and explains malfunction.
- Click the trophy to open a new set of screens, with the wild and scatter symbols detailed on the first.
- Continue to the next screen for a quick video of the scatter appearing.
- The third screen explains the paytable and paylines, with thumbnails on the fourth.
- Return to the main screen to set your wager in the bet window.
- Below the spin button is where you can engage and customise autospin to stop on wins or losses.
- Above the spin button is the gamble feature, which you can activate on a win.
Remember that you can play Double 27 and lots of other slot games for free here at Slots Temple, which is a great way to familiarise yourself with the game. Always play video slots responsibly by setting yourself a budget for each session and taking advantage of the timeout and self-exclusion functions if necessary.
Bet sizes and pay table wins
Bet sizes range from 0.10 to 60 and the paytable for three-of-a-kind combinations is as follows, expressed as a multiple of the total bet:
- Wild = 25x
- Lucky 7 = 15x
- Star = 10x
- Watermelon = 5x
- Blueberry = 3x
- Pineapple = 2x
- Lemon = 1x
- Cherries = 0.5x
Double 27 bonus features
Free spins
If the player lands three or four scatter symbols on the reels, they will be awarded 10 or 15 free spins. During this phase of the game, all wins are subject to a 2x multiplier.
Gamble
After a win, the player gets the chance to double their winnings in a card game of chance by choosing red or black. The game ends on a wrong choice or when the collect button is hit. A history of correct choices is displayed above the game screen, showing the previous five results.
Double 27 review: our verdict
Fans of retro fruit slots will find plenty to appeal to them in Double 27, with all the symbols reflecting the era of classic slot machines in smoky gambling dens. There is no distracting soundtrack; instead, there is just the click of the reels falling into place.
The twist to the game is the splitting of the reels into two 3x3 blocks, each with 27 criss-cross ways to win. This doubles your chances of landing a winning combination and adds to the fun.
Although neither the variance of the game nor the RTP will appeal to everyone, the latter is only just below the industry average.
| Slot Name: | Double 27 |
|---|---|
| Software: | Casimi |
| RTP: | 94.00% |
| Volatility: | Medium volatility |
| Paylines: | 27 |
| Reels: | 4 |
| Min Bet (all lines covered): | £0.40 (GBP) |
| Max Bet: | £50 (GBP) |
| Top Win: | 1620 |
| Features: | Wild Symbol, Scatter Symbol, Multiplier, Free Spins, Gamble, Medium volatility, 4 Reels |
| Themes: | Fruit |
| Last Update: | 29/06/2026 |
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No. :maker does not have a UKGC license and cannot offer their games at UK licensed casinos. |
FAQs
Are there free games in Double 27?
Yes, this is one of the video slots with free spins. Three or four scatter symbols can trigger 10 or 15 free games on this slot machine, with the former more likely. During this phase of the game, all wins are subject to a 2x multiplier. The scatter symbols appear on all the reels, with the variance of the game meaning they appear regularly.
Is there a gamble feature in Double 27?
Yes, this is one of the slot games with a gamble option. After each win, players can choose to take part in a gamble game of chance in which they can double their win by choosing the colour of a playing card symbol - either red or black. The history of the previous results is displayed above the reels.
What is the RTP of Double 27?
The RTP of this game is 95.86 per cent, which is just below the current industry average. When the game first appeared in August 2021, this was probably closer to the average; however, as we approach the end of 2022, it is lagging behind the ever-increasing average RTP of rival slots.
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| Hexa Fruits | 94.00% | Medium volatility | 540 | |
| Hexagona | 94.00% | Medium volatility | 250 | |
| Its a bet | 94.00% | Medium volatility | 1000 | |
| Lucky Icons | 94.00% | Medium volatility | 1080 | |
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| My Fruits 81 | 94.00% | Medium volatility | 1000 | |
| Nebula Stars | 95.00% | Medium volatility | 1175 | |
| Ready 4 Bets | 94.00% | Medium volatility | 288 | |
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| Respin Bells | 94.00% | Medium volatility | 500 |
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