IN JAZZ Slot Demo
IN JAZZ - Game Overview
IN JAZZ from Endorphina feels like a throwback to those floor standing machines I played in the early 2000s, only dressed in a smoky 1930s American jazz club theme. It runs on a 5x3 layout with up to 25 adjustable lines and classic left to right pays. The core gameplay stays very simple, so sessions are all about rhythm, bankroll flow and waiting out the feature.
From my test of a thousand spins in demo, the base game in IN JAZZ paid small hits fairly often while real action arrived only when free spins finally landed. That pattern gives the slot a slow burn feel, better suited to patient players who accept swings rather than quick flurries. I treat it as a strategic grinder where positioning your stake size before bonuses drop matters more than chasing rapid thrills.

Symbols and Paytable in IN JAZZ
Symbols in IN JAZZ follow old school patterns, which I like when tracking hit rates. Regular symbols land as single icons rather than stacked sets, while special wild and scatter icons handle the feature work. The best line odds are x40, x32 and x24 for five of a kind, yet the maths often throws up two or even three winning lines on the same spin, which softens stretches without bonuses.
During my long session the strongest single line hit I actually logged in normal play was x15, though the help section quotes a maximum of x96 from one spin in the regular game. I like that IN JAZZ lets you view the paytable either in credits or in bet multipliers, since that makes it easier to map payouts to your actual stake when you adjust lines from one up to twenty five.
Symbols and Paytable
| Symbol | Quantity | Payout |
|---|---|---|
|
| Scatter | |
| 5 | x200 | |
| 4 | x20 | |
| 3 | x2 | |
|
| Wild | |
| 5 | x40 | |
| 4 | x20 | |
| 3 | x4 | |
|
| 5 | x32 |
| 4 | x10 | |
| 3 | x3.2 | |
|
| 5 | x24 |
| 4 | x8 | |
| 3 | x1.6 | |
|
| 5 | x24 |
| 4 | x8 | |
| 3 | x1.6 | |
|
| 5 | x20 |
| 4 | x6 | |
| 3 | x1.2 | |
|
| 5 | x20 |
| 4 | x6 | |
| 3 | x1.2 | |
|
| 5 | x8 |
| 4 | x2 | |
| 3 | x0.4 | |
|
| 5 | x6 |
| 4 | x1.2 | |
| 3 | x0.4 | |
|
| 5 | x6 |
| 4 | x1.2 | |
| 3 | x0.4 | |
|
| 5 | x4 |
| 4 | x0.8 | |
| 3 | x0.4 | |
|
| 5 | x4 |
| 4 | x0.8 | |
| 3 | x0.4 | |
Bonus Features in IN JAZZ
Free spins in IN JAZZ are where the serious wins hide, but triggering them can test your patience. In my main block of a thousand spins the feature turned up just once, while a separate trial showed a trigger rate of roughly one bonus in three hundred spins. That gap explains why I treat base game gains as fuel, not profit, since real balance jumps came only from features.
When the scatters finally line up you get ten free spins in IN JAZZ, and they can extend if the trigger repeats. The bonus is all about stacked wild reels carrying x2 and x3 multipliers. In my tests wild stacks appeared in roughly half the spins, usually covering at least one full reel and sometimes two or three. Multipliers do not just add together, they multiply, which can push totals far beyond base game peaks.
Feature results in IN JAZZ during testing backed up that volatile feel. Separate free spin trials produced payouts of x114, x326, x166, x82 and x237, with only one really weak round at x14. From a player viewpoint those figures tell me one thing, the game protects its free spin pot by holding back triggers, but when it does open up you can wipe out long dry spells in a single round.
Risk Game in IN JAZZ
The risk game in IN JAZZ is where I spend most thought between spins. After any win, including a completed free spin round, you can stake the lot on a card draw against a dealer, with up to ten steps. Overall return on this feature sits around eighty four percent, though the help sheet lists higher figures when the dealer shows weak cards. I dip in but avoid taking every gamble, since pairs look strong yet losing runs arrive fast.
Features of IN JAZZ Slot Machine
One thing that stands out in IN JAZZ for a stats minded player like me is the range of session information and control settings. You can track duration, number of rounds, stake size and result, then fine tune your strategy. Autoplay comes with plenty of options, and the pace is brisk, around sixty spins per minute if you let it run, which keeps the jazz soundtrack rolling while you watch the figures.
Line control in IN JAZZ lets you drop from twenty five lines right down to a single line, adjusting hit rate and volatility feel without touching the maths. The reality check tool can ping you after anything from one to sixty minutes with a reminder of time spent and profit or loss. The slot runs on desktop and mobile through HTML5 and older Flash, with stakes starting around 0.25 and reaching 50 per spin.
RTP, Volatility and Payout Profile in IN JAZZ
IN JAZZ runs with a stated return to player of 96.06 percent, shown in the help section rather than on marketing banners. Official volatility is not published, yet test stats suggest a punchy profile, with combinations arriving on roughly twenty five to twenty eight spins per hundred, but bonuses stretching out. In my log I saw possible gaps of six or seven spins without any hit and up to six hundred without a feature.
Prize distribution in IN JAZZ feels split almost evenly between regular play and free spins, which matches the fifty fifty estimate from the test tables. Big feature results such as x326 or x237 sat alongside weaker but still decent rounds over x80, with only the odd outlier near x14. I handle that by picking a modest stake, accepting longer sessions, and treating every feature as a chance to repair earlier damage.

My Verdict on IN JAZZ
As a long term slot player I rate IN JAZZ as a niche pick for those who enjoy structured risk rather than fireworks every few spins. The jazz club styling hides some sharp maths, with a simple base game feeding a powerful free spin feature and a demanding risk round. If you can handle long waits between highlights, the mix of stacked wilds and card gambles offers plenty of scope for thoughtful play.
Screenshots


FAQs About IN JAZZ
Absolutely! You can enjoy IN JAZZ for free on our website without registration. Our partner casinos of Endorphina also usually offer demo mode access.
Yes, to win real money in IN JAZZ, you'll need to create an account at a licensed casino site. You can then play for real and win up to x2500.
Yes, IN JAZZ is fully optimized for mobile devices and runs smoothly on any devices.
Compare IN JAZZ With Other Slots
| Slot | Rating | Software | Release Date | Volatility | RTP | Bet Range | Max Win | Number of Reels | Number of Betways |
|---|---|---|---|---|---|---|---|---|---|
| IN JAZZ | 8 | Endorphina | 2017-04-28 | Average | 96% | 0.01 - 250 | x2500 | 5 | 1 - 25 |
| Goddess of War | 7 | Endorphina | 2017-12-15 | Average | 96% | 0.40 - 400 | x1000 | 5 | 40 |
| Little Panda | 7 | Endorphina | 2018-01-12 | Low | 96% | 0.40 - 400 | x3200 | 5 | 1024 |
| Taboo | 8 | Endorphina | 2018-02-06 | Low | 96% | 0.01 - 250 | x2500 | 5 | 1 - 25 |
| Football Superstar | 4 | Endorphina | 2018-06-04 | Average | 96% | 0.01 - 500 | x1000 | 5 | 1 - 50 |
| Lucky Lands | 5 | Endorphina | 2018-07-16 | High | 96% | 0.01 - 250 | x2500 | 5 | 1 - 25 |
| Kamchatka | 4 | Endorphina | 2018-09-13 | Low | 96% | 0.30 - 900 | x9000 | 5 | 243 |
| Dia de Los Muertos | 8 | Endorphina | 2018-10-25 | Low | 96% | 0.01 - 50 | x5000 | 3 | 1 - 5 |
| Lucky Streak 1 | 4 | Endorphina | 2018-11-08 | Low | 96% | 0.01 - 400 | x10000 | 5 | 1 - 40 |
| Sugar Glider | 4 | Endorphina | 2018-11-29 | Low | 96% | 0.10 - 100 | x10000 | 5 | 10 |
| Lucky Streak 2 | 4.5 | Endorphina | 2018-12-12 | Low | 96% | 0.01 - 50 | x4997 | 5 | 1 - 5 |
| #Luxurylife | 4 | Endorphina | 2019-02-14 | Average | 96% | 1 - 200 | x2000 | 5 | 20 |
| Lucky Streak 3 | 4.5 | Endorphina | 2019-03-02 | Average | 96% | 0.01 - 50 | x7500 | 3 | 5 |
| 2027 ISS | 5 | Endorphina | 2017-04-12 | High | 96% | 0.01 - 90 | x900 | 5 | 1 - 9 |
| Slotomoji | 8.5 | Endorphina | 2017-03-31 | Average | 96.03% | 0.10 - 100 | x10000 | 5 | 10 |
| Chunjie | 6 | Endorphina | 2017-01-27 | High | 96% | 0.01 - 380 | x2500 | 5 | 1 - 38 |
| Diamond Vapor | 8 | Endorphina | 2017-01-24 | Average | 96.3% | 0.01 - 100 | x1000 | 5 | 1 - 10 |
| Voodoo | 9.3 | Endorphina | 2016-12-08 | High | 96% | 0.01 - 25 | x5000 | 5 | 1 - 10 |
| Temple Cats | 6.5 | Endorphina | 2015-12-18 | High | 96% | 0.01 - 100 | x5000 | 5 | 1 - 10 |
| Gladiators | 8 | Endorphina | 2015-12-15 | High | 96% | 0.01 - 210 | x3000 | 5 | 1 - 21 |
| Safari | 7 | Endorphina | 2015-11-15 | High | 96% | 0.01 - 500 | x10000 | 5 | 1 - 50 |
| Geisha | 7.5 | Endorphina | 2015-08-20 | Average | 96% | 0.01 - 250 | x1000 | 5 | 1 - 25 |
| Satoshi’s Secret | 7 | Endorphina | 2015-05-14 | Average | 96% | 0.01 - 200 | x5000 | 6 | 1 - 20 |
| Minotaurus | 10 | Endorphina | 2015-03-19 | High | 96% | 0.10 - 100 | x10000 | 5 | 10 |
| Macarons | 8 | Endorphina | 2015-03-19 | High | 96% | 0.01 - 100 | x5000 | 5 | 1 - 10 |
| Jazz Jam Jackpots | 6 | GameArt | 2024-08-27 | Low | 96.32% | 0.10 - 200 | x4605 | 3 | 5 |