Guide to Code a Casino Slot Game

Casino Slot Game

Online slots have made quite a splash in the online gambling world. No game is more in demand than online slots. The reason for the success of this category of games is simple: they are easy, they are engaging, and they are fun.

To diversify the industry, online casinos have done their best to differentiate each game from the other. However, quite a few people still want to be satisfied with the various slots they can play online. So, what can these people do?

Why not try your hand at designing your own slot game? It may seem hard, but that is why we are here. This article will give you a brief yet thorough guide on coding a casino slot game. Without further ado, let us delve into the meat and potatoes.

RNG – What is it?

Casinos use RNGs to code online slots. But what is an RNG? An RNG is an acronym that stands for “random number generator.” It is a software whose main task is to generate random numbers. The best part about RNGs is that you can quickly handle them. People designing their slots at home will likely use the same RNG as the big-name game developers.

Once you get the RNG, you are ready to start coding. Everything else should be a secondary concern. Whether you are thinking about the casino payment methods, the game’s theme and tone, or anything else, put that aside until you’ve gotten your hands on the RNG. Once you do, you can use it to code your game and make it as fair and random as you want.

RNG – How does it Work?

Knowing what an RNG is is not enough. We also need to know how they function and how you can use them. As we’ve already established, an RNG is software randomly generating number sequences. But how do online casinos use this to create a slot game?

It is pretty simple. When coding a slot, you can use an RNG to determine the outcome of every round. Tying a number sequence to a particular symbol/outcome means that every roll, no matter what, will always be randomly generated. The idea here is simple: the game is not rigged if the rolls are generated randomly.

Establishing the Rules

You’ve familiarized yourself with Random Number Generators, so what is the next step? Well, it is time to create your game logic. Game logic refers to the rules, parameters, and conditions governing your game. For this one, you must learn how to calculate RTP and set bet limits and payment amounts.

It doesn’t end there, though. Game logic also involves any extra features that your game might include. This could be a mini-game for online slots, including any extra features like Wild Symbols, Multipliers, and more. Once you’ve established all of the rules, you are practically done. There is just one last thing you need to consider.

Polish Up the Game

You are practically done when you’ve mastered Random Number Generators and when you’ve coded the game’s logic. All that is left is to polish up the game and prepare it for play. To do that, you will need to give it a test drive.

Game design is, in many ways, similar to building your computer; there is a lot of trial and error to go over. If you build your machine, you would expect to have to turn it on and off again several times. And the same is true for online slots.

Give it a test drive; it is ready for publishing if it all runs smoothly. However, if you stumble upon any bugs, you must root them out. Sometimes, you may need to go back to square one. While frustrating, the accomplishment of finally finishing your game will certainly be worth it.

Time to Publish

Your game is designed, programmed, tested, debugged, and ready for publishing. This might be the hardest part, as you must find an online casino willing to host the game on their website. If that fails, you could share the game online yourself.

However, at that point, you might have to deal with the ups and downs of operating your own business. We wish you the best of luck if you are ready.


Can I code my own slot game?

It is possible to code your own slot game. Just follow the helpful guide in this article, and you should have no problem.

What is the most important software to master when coding a slot game?

The Random Number Generator is a program that all slot games are based on.

What does “game logic” entail?

Game logic encompasses all of the mechanics of your slot game. This includes bet limits, payment options, RTP, extra bets, spins, etc.

How do I know when a slot is ready to publish?

Once you’ve programmed your slot, giving it a test drive is imperative. If you’re happy with the finished product, it is time to publish it.

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