Palload

(Full version of this article and other MBaaS related posts - http://blog.blazesoft.ca)

Every Friday, players will spin a virtual slot machine five times to get a random prize. This will range from in-game content and other games, to Assassin's Creed Unity -themed gear and other.

There are dozens social slot games out there. Most of them have fantastic UI. Great symbols, animations and sound effects.

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But when you review store ratings and read the comments, you notice that most of the slot machines have severe %RTP (Return to Player) and Hit Frequency issues and unplanned Volatility ratio.

The reason is that most of the games you play out there can't make scientific calculations of Slot machine RTP, Hit Frequency and other important parameters.

To build your own 'Slotomania' like game, to provide great experience and to be able to control your game economy, the following components should be configured properly and if needed you should be able to make quick adjustments.

Pay Line- The line on the slot window.

Number of Pay Lines - Slot machines may have several pay lines. Can be 3 lines, 5 lines or even 100 or more on video slots games.

Pay Table - Area in the Slot Machine that shows the payouts for each winning scenario.

The pay table will also tell you if there are other types of payouts.

Bonus Symbol - Combination of bonus symbols (as defined in Pay table) triggers a 'mini-game' in a slot machine game that allows the player to win additional goods.

Scatter Symbol - Combination of X Scatter symbols initiates 'Free Spins'. Spins that generate additional profit to the player without paying for those spins.

Wild Symbol - Acts as a joker symbol to make up a winning combination on the pay line. Can be also used for other purposes, based on the 'game play' of specific machine.

Reels- Rotating barrels (or any other graphical elements) on which the symbols appear.

In modern slot machines, you can find different number of reels - two, three, four, five.

Reels can have different number of rows. Usually it's from one to 5. Most popular is three.

The most common are three and five. Statistically, more reels, it's harder to get jackpot.

Besides the visible symbols, you should be able to configure total amount of symbols for each reel.

For example, in reel 1 you can have 30 symbols in total, while only 3 are visible. and in reel 2 and 3, you will have 50 symbols

Based on the terms described above, you should be able to calculate your -

RTP - Return to Player (RTP) is the term casinos / social casino games use to describe the percentage of what slot machine will pay back to players over time. For example, if you make a hundred $1 bets on a machine on which the RTP is 90%, statistically, you might expect to get back about $90 in wins.

Hit Frequency - How often a machine will stop on a winning combination. For example, if a machine has a hit frequency of 10%, it means that statistically, the machine will stop on a winning combination about 10% of the time. It’s worth noting that many slots allow players to bet on multiple lines on each spin. The result is that, on a single spin, a player could get one or more winning combinations, along with numerous losing combinations. To the player, it may feel as though he is winning more often, but as always, over time the losing combinations will far outnumber the winning ones.

Volatility - The ratio of size versus frequency of major wins in a slot game.

So, what's your options as a social slots game developer -

1. Client side Slots logic development - You can plan and code all mentioned above in your app as client-side development.

Cons -

1. Client side development requires to 're-publish' the app every time you make changes. On some stores it's a matter of several days until your change is public

2. Client side development is dangerous - you are always in risk that your dev guys will harm existing functionality during change process

3. Not having these values as server side parameters - makes that process super inefficient. sometimes, you need to make frequent changes (same day or week) and it's just impossible.

4. Security / Security / Security - having all your logic as 'client-side', makes your app vulnerable to hackers, 'copycats'. For example - any app that resides on Android store, can be easily downloaded as APK.

Pro's -

I can't really think of any, besides some tactical advantage of making something quicker (and very inefficient) and having 'fun' of managing crazy excel files with formulas and machine details.

OR...

2. Server side Slots logic development - having your slot related logic securely managed on server side

I can't really think about Con's in this scenario. Client (mobile / web / Facebook or any other platform) do not control the outcome of the spin. it comes as a value for each spin based on all the parameters mentioned above (paytable , RTP, .....)

Security aspects are fully covered because the app is useless without having connection with company's backend. And there are various methods to make sure that only 'legit' app will make the connection - SSL tunnel, SSL Pinning, handshake mechanisms and more..

What Blazesoft has to offer -

Blazesoft developed A-Z slot backend. You can easily manage all parameters mentioned above from your admin screen and with 1 click calculation expected %RTP.

And it takes one more click to publish your changes to your players.

Blazesoft develops API that allows new or existing gaming companies to create new machines via provided SDK and to receive the output values to your Slot Machine based on predefined configuration.

All the day to day management is done via advanced CRM system.

Contact Blazesoft for more details: info@blazesoft.ca

http://www.blazesoft.ca

*** All trademarks, names, images and logos appearing on the site are the property of their respective owners. Do not copy & use without written approval from Blazesoft legal department.

GDC 2019

SAN FRANCISCO—This year's Game Developers Conference saw two game makers emerge with a possible chapter in a future dystopian sci-fi novel: the story of making money by letting robots do the work. In their case, that work was the procedural generation of smartphone games.

A single 'game jam' event led to a data machine that ultimately pumped out a decent amount of cash: $50,000 over a couple of years. Years later, with that data (and money) in hand, the makers of this game-making machine, which focused entirely on 'garbage' free-to-play slot machines, used GDC as a wake-up call to an industry where the 'right' messages often revolve around listening to players, sidling up to publishers, and racking up critical acclaim. In their case, eschewing all of that worked a little too well for their comfort level.

Winning the “race to the bottom”

In 2013, two video game makers had been trying for years to make it in the burgeoning mobile games space. One of them, Alex Schwartz, had helped get the solid mobile swiping-action game Jack Lumber off the ground. (In a past life, I gave that game a good review at the now defunct tablet-only magazine The Daily.) The other, Ziba Scott, had put together a fine mobile-friendly puzzle game, Girls Like Robots.

Both games operated in a pay-once, play-forever model without microtransactions. Both attracted awards, recognition, good expo showings, and publishers. Both failed to take off.

They looked at the meager income they were making doing it the 'right' way, as had been established by the old publishing guard. They then looked at iOS and Google Play marketplaces and saw that 'freewares, clones, and junk' dominate the general selection, let alone the actual money-making charts.

In one casual chat about the sheer weight of that business reality, the duo came to a conclusion: 'We could do better... at doing worse!'

They teamed up during the 2013 Global Game Jam to push something out that resembled the 'race to the bottom' they saw on mobile platforms. Thanks to the time-restricted nature of a game jam, they opted to buy a 3D slot machine asset off of the Unity Store (a marketplace that lets game makers pay modelers and animators for unrestricted use of various 2D and 3D assets) for $15. They then spent the rest of the jam creating a system that would automatically generate the rest of the skinning needed to make this basic virtual slot machine just unique enough to be published as its own smartphone app.

'Let's customize these like other slot machine companies do,' Schwartz said. 'They make themed slots. What's the minimum set of things to change to make a different slot machine? Let's change the title. Change the one image on the reel that might be relevant to your topic. So, like, a dolphin slot: put a dolphin in there [as the jackpot slot logo] with a special icon. Then the background is a scrolling dolphin image.'

The original word list was hand-curated based on what the team thought was interesting but also generic and safe-for-work. The most scintillating name they went for at that point was '3D Sexy Librarian Slots.'

With the visuals knocked out, the duo went one step further: creating custom music.

'A crappy song would play, then use text-to-speech to sing the word 'dolphin' in the Google Translate monotone voice. It'd play that every time you won. It'd say the name of your game in the music,' Schwartz said.

As a result, with the press of a single button, a Unity script could put those steps together and essentially auto-generate hundreds of 'custom' slot machines. Schwartz and Scott confirmed that their automated system's scraping of public images exposed one issue: Google Image Search would throw up errors for exceeding the rate limit. 'We found a use for Bing,' Schwartz said in a phone interview with Ars. 'Its image search had a number of things that were looser. I'm not trying to knock them, but they have a reputation for being second class. That felt like a kindred spirit for what we were trying to achieve here.'

“A portal to a better world”

With that slot-creation template set, the team automated the process of feeding information to Google Play (a much easier marketplace to exploit than iOS at the time) and creating publicly available freeware slot machine apps with ads. One simple Selenium script later, and that process was done.

The duo could feed a single slot-machine keyword into their combined scripts, which took 'a few hours' in all to build, then watch on a 'ghost monitor' as its system faked like a human, clicked every appropriate checkbox, picked every country, agreed to every terms-of-service agreement, and filled in every appropriate text box—then took the auto-generated slot machine and uploaded it for anyone to play.

They attached mobile ad network Playhaven to the whole thing because the duo's philosophy was that they never wanted to take actual money from users who would download their bizarrely named apps. They then 'walked away' for two months. After that period of dealing with real-life work, they peeked at their income and advertising statement and were stunned: people were downloading their apps, and 27 percent of those people were clicking on their ads, driving roughly $211 of ad revenue per day.

The team came up with a theory: 'All of our advertising keywords were related to casino related content,' Schwartz said to Ars. 'We had an epiphany: our game looks so fucking terrible, but people downloaded it for some reason. When they see an ad for a much better slot machine or casino, they click it because... of course you do! That's a greener pasture! A way better future you could be having! We think the quality was so low in our shit that the ads were a portal to a better world.'

Unity Slot Machine Assets

Yet the duo incredulously admits that its average rating for many of the apps was in the four-star range and that reviews were quite kind. One review stood out to Scott, for the auto-generated '3D Bowling Slots' app: 'Someone wrote that they were disappointed that the slots didn't have much to do with bowling.'

Supervillain origin story?

The engineering half of their brains wanted to see how far this enterprise could take them. So they began tinkering with the existing template with things like the automation of slot-machine descriptions.

Unity Slot Machine Code

Google Trends seemed like a good idea, but that usually led to trademarked or public-figure names, and the team wasn't interested in getting out of the 'automation' loop by having to deal with a high volume of takedown requests. So they opted for a slightly updated app-name template: the word '3D,' plus an adjective, plus either an animal, location, or country, plus the word 'free.'

Examples included 3D Tremendous Face Pain Slots, 3D Rough Elbow Slots, 3D Mild Dogwood Slots, 3D Viceroy Butterfly Slots, and 3D Inexperienced Great Horned Owl Slots. (They eventually made T-shirts to commemorate the latter.)

Schwartz and Scott also paid a small Romanian studio a pittance to build a higher fidelity slot machine, which they eventually discarded. That happened in part because the duo's mix of newer full-time work and ethical concerns crowded out their excitement and availability.

'Someone said, you could raise money on this idea, or sell this data to someone else, or sell your company,' Scott said to Ars. 'We were at a crossroads where the joke was similar to the origin story of a supervillain. Do we abandon all creative pursuits to make the most intense money-making slot-creating enterprise? Or does this continue being a tiny background of 1/20 of our day?'

Eventually, the headaches of keeping up with Google Play caught up to the team. Apps were removed for violating an updated terms of service that gave Google more leeway to cut out apparent crapware. Google also updated the Web interface on a somewhat regular basis. Moving a single box a few pixels could throw a wrench into the Selenium robo-clicking works, which the team had previously designed to auto-upload 15 apps a day (Google Play's upload limit for a single developer account at the time).

At one point, the app network Playhaven called the duo with a flat declaration. 'We're seeing erratic data on your account,' Schwartz said to paraphrase. 'We're not sure what's up. We're not interested in continuing to serve ads to your slot machines. But we want to be clear: you didn't break our ToS. You're just, I don't know, inconvenient.'

Playhaven then added, 'You have the worst users. People who come from your apps don't spend money.' The team switched to another ad provider immediately, Chartboost. 'They knew roughly what we were doing,' Schwartz said. 'They've been great.'

Unity Slot Machine Code

“Optimized to remove our content”

Slot Machines For Home Entertainment

This many years later, all of the roughly 1,500 apps generated by this experiment are dead. And Schwartz and Scott think of the whole affair as a mix of a joke and a productive wake-up call.

'Our half-joking argument: by offering the largest target of low-quality garbage apps, these marketplaces became optimized to remove our content,' Schwartz said to Ars. 'You could almost say that our company trained their algorithm so that what we were doing could eventually not be possible. But we were the first to bring it to that level.'

In their GDC presentation, Schwartz mostly left the data up for people to peruse in a laughing manner, but also with a human angle about the costs that might arise if you chase such a robo-generated app dream with profit, not laughs, as the goal.

'This whole project was an itch that felt so good to scratch,' Schwartz said at GDC. 'We thumbed our noses at the mobile market that had broken our hearts in 2013. We laughed the whole way... The truth is I don’t give a fuck about slot machines. We’ve moved on. If there’s a business lesson in that, I’d say: scratch your crazy itches, give that insane idea a try. But even if it does work out... be prepared to walk away because it may only have been the attempt that made you happy, not the result.'