Hotline Slot Machine

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Hotline demo
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Return to player Min bet size Game type Variance Reels Progressive Jackpot
96.13% 15 Video Slots Medium 5 No
Popularity Max bet size Game provider Bonus Features Paylines Theme
450 NetEnt Yes 30 Miami

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Hotline online slot game

Hotlines slot title puts the gameplay in your control as you visit 1980s Miami. You can increase your bet by selecting ‘Hot Lines’ which will, in turn, improve your chances of landing re-spins as well as wild reels that become especially valuable when they stick to the reels during free spins!

Theme and Story Line

Take a trip back to the 80s towards the end of Pablo Escobar’s reign over Miami. Take in the pink and blue lights of Miami’s neon signs, a full backdrop of the city’s skyscrapers, palm trees, fast cars, high-value jewels, guns, and rich women as you spin the reels for your share of Miami’s riches.

Graphics, Sounds, and Animations

Despite this slot’s retro 80s design, it is a modern 3D slot available on both mobile and desktop devices. The reels are compact and colourful but there are not too many animated effects. Animations will appear when you hit the free spins game via the intro screen as well as on reels if you enabled one of the hotline features, which we will discuss below, activating a movie scene of cars racing along the streets of Miami. 

Over to the soundtrack, and this sounds like a Miami love song, or think Miami Vice movie-style music. Behind the theme tune, you will hear the sound of police sirens and radio chatter in the which is very Miami-like!

Hotline 1

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You will be spinning only 6 regular paying symbols over 5 reels and 30 pay lines on a 5x3 grid. These 6 symbols are a wealthy lady on the phone, a man with a gun wearing a blue suit, a man with shades wearing a beige suit, a silver crown jewel using pink, a silver necklace jewel with green colours, and a blue bracelet jewel with blue emeralds. The payout range for connecting 5, 4, or 3 of these symbols on a pay line is between 500 coins and 5 coins multiplied by the ‘Bet Level’. 

All payouts in the paytable for these symbols are displayed in coins, and your total coin bet depends on the level you set. Each level places 15 coins on the spin bet. You can see the total number of coins bet on the spin in the ‘BET’ area and the cash value of your bets below this. You can set the cash value of each coin using the ‘Coin Value’. Other betting options include ‘Max Bet’ which will auto-set your spin to ‘Level 10’, but it will no affect the ‘Coin Value’. 

The number of coins per spin can be increased by activating ‘Hot Lines’ which are on the left of the reels. 1 hotline is always activated by default, which we will explain more about in the next section.

Hotline 2

Bonuses and Free Spins

Hot Lines: Hot Lines are on the left-hand side of each reel. 1 of them is activated by default. Each additional Hot Line will increase your spin bet by the number showing in the ‘BET’ box. For example, if you spin bet is 30 coins, adding another ‘Hot Line’ will mean your total bet is 60 coins, then adding a third ‘Hot Line’ will increase the spin bet by another 30 coins to 90 coins per spin.

Expanding Wild: The wild symbol is the rear end of a red sports car. When it lands on the reels it will substitute for any of the 6 regular symbols as a wild card. If it lands on an active ‘Hot Line’ the car will burn rubber and earn you a re-spin after expanding to fill the entire reel. 

Free Spins: Land 3 sunset scatter symbols on reels 1, 3, and 5 for 7 free spins. If the wild symbol lands on a ‘Hot Reel’ during the free spins bonus, not only will it expand, it will remain on the reels until the round has ended.

Bet sizes, RTP and Variance

You can bet from ‘Level 1’ to ‘Level 10’ giving you 15, 30, or 45 coins per level with 1, 2, or 3 ‘Hot Reels’ activated respectively. Each coin can be set from 0.01 to 1.00. This means your bet sizing depends on whether you are using ‘Hot Reels’. If you are using 1 ‘Hot Reel’ the min-max bet is 0.15-150.00 per spin. 2 ‘Hot Reels’ is 30.00-300.00 per spin, and 3 ‘Hot Reels’ 45.00-450.00 per spin. The slot has a medium variance but this ultimately depends on the number of ‘Hot Lines’ you use. The same applies to the expected 96.13% return.


The hotline online slot game can get quite expensive when you start to increase the ‘Hot Lines’. The optimum number that seems to work best is 2 ‘Hot Lines’. You will trigger the expanding wild in the base game reasonably often and as free spins tend to turn up quite often on this game, with 2 ‘Hot Lines’ you will often end up with 2 or 3 wild reels by the time the free spins session ends. 

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