What to consider when designing an online slots game

Online game design is a competitive industry, with developers constantly trying to find new ways to keep players interested and returning for more. As an online slots game designer, you need to be able to think creatively about how your game will play out to come up with something original yet familiar enough that it's easy for players to understand.

For example, if you're designing a video slot machine game similar to the classic “Wheel of Fortune” or “Deal or No Deal,” most people already know how those games work: they spin the wheel or open their briefcase and watch as prizes appear inside.

So when designing an online slot game that uses these same concepts, it's essential to include these aspects and other innovative features so that players feel like something new has been added to their experience.

Getting started

The first step in designing an online slot game is conducting comprehensive market research. You must know your audience and understand the needs and wants of potential players before you start designing anything. This will help you make informed decisions about what features to include, how they should look, and how they should be created.

Start by asking yourself some questions:

  • What kind of themes interest your audience? What would they relate to?
  • What's the average age of most players?
  • Are there any groups that are more likely to play than others?
  • Do people prefer a certain amount of complexity in their games, or do they want something simpler that doesn't require much thought?

The creative stage

The creative stage is creating and designing the slot game with its chosen topic. The creative team will work together to develop a design that fits your chosen theme and ensures it's exciting, memorable, and engaging.

The creative team comes up with a design of the slot game with the chosen topic. This includes all aspects of the game's visuals, sound, and atmosphere.

The next step is to choose a developer who can efficiently create this slot machine. The developer should be able to communicate well with other departments within your team during the process so that all problems are solved quickly and efficiently.

Introducing the specific elements

Once you've got the basics, it's time to look at more specific elements to help your slot game stand out. For example, how will you make use of developments like gamification? How will you incorporate retro vibes and animations? How will your game be optimized for mobile users?

When designing an online slot game, it is essential to consider innovative features. Innovative features will help you stand out from the crowd and attract new players. They can also keep players engaged longer and increase your revenue. For a good example, if your targeted audience is people who enjoy fishing, a slot like the big bass bonanza game would most likely interest them with its fish-themed elements.


The random number generator used in your slot game must be of the highest quality. Many times, developers attempt to get around this responsibility by using a pseudorandom number generator (PRNG) or an algorithm they have designed. However, these solutions are not nearly as secure as using a true random number generator (RNG).

An RNG can be programmed to select numbers from any distribution and set their values based on various algorithms. These algorithms may include how many numbers are in each group, how much the numbers will deviate from one another, and what starting values each group needs to be chosen before running through them all again.

Once these parameters are established and set up correctly, a computer program can draw out tens or hundreds of thousands of unique outcomes based on everything else being correct within the program.

First view of the online slot

The first view of an online slot is crucial. You want to grab the player's attention immediately and make them want to play your game. Ensure that it will be appealing by using images and colors that are not distracting from other elements on the screen but are still easy to see. Think about how big you want your pictures to be compared to other things on the screen, such as text boxes or buttons. Make sure there is enough room for people to move their mouse around without accidentally clicking on something else!

For example: If a player clicks on “Play For Real Money” in our slot machine game interface, they should have easy access from there because you want them to play as soon as possible!

A bit more market research

As you get closer to the end of the design process, it's time to do some more market research. Find out what your potential players want and dislike in a game. How important are graphics? What kind of sound effects do they like? Do they care about character development, or would they rather skip right to gameplay? Do people love free spins or bonus rounds? With all this information, you can ensure that your slot machine is well-received when it launches on the web.

Testing the slot

When developing a slot machine game, you must ensure that the product is tested and approved by the casino before it goes live. This ensures that your game is of exceptional quality and protects both parties from any potential problems.

The first step in testing is for the developer to thoroughly check their own work, ensuring that every aspect of the game works as intended and meets industry standards. They will then provide this version to a trusted third party who can give them feedback on what still needs work and how they can improve it before releasing it online or in land-based casinos.

After this initial round of testing is complete, casinos will also put your slot game through its paces before deciding whether or not they want to offer it as part of their gaming selection. The goal here is not only to determine whether or not players enjoy playing these new games but also whether or not they perform well enough financially for everyone involved (including yourself).


As you might imagine, the design process is both fun and challenging. There is a lot of competition out there in the market, so it's essential to get your game right. There are so many aspects to consider and different ways to go about it that the possibilities are practically endless. The important thing is always to ensure that you know your audience and what they want from their online slots experience before diving into anything else.

Anastasios Antoniadis
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