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How are Casino Games Coded and Programmed


Money is the main reason to develop software for casino games. There are many providers on the market, and every year, some new providers appear. Experienced companies have long established the process of creating games, and newcomers have no choice but to learn from their competitors. In this article, we want to discuss the stages of creating slots in online casinos.

This is a challenging thing to develop. After all, we are talking about a casino echtes geld where players can earn money without leaving home. Investigator, the popularity of such a platform will be phenomenal. We need to think through everything. For example, we should ensure that the servers can cope with the load and the influx of many players. What stages should be highlighted in the development of software for online casinos?

Creating an idea

Development does not start with programmers at all – the idea appears first. Research, market analysis, and planning are carried out to ensure the concept’s success. When the process is running, a smart card is most often used:

● A central concept is created – the slot’s theme, which will serve as a starting point.

● Functions and features are considered – at the discussion stage, the number of reels, pay lines, and bonus rounds for a potential game is determined.

● Technologies are being introduced – creating slots for new platforms makes it possible to expand the audience. Recently, providers have been developing VR.

A systematic approach allows you to set up a slot production pipeline. However, it also sometimes fails – the difference between new and previous games could be more noticeable for beginners.


Roger Raatgever, the former CEO of Microgaming, once told how the company organized a brainstorming session. Twice a year, the provider holds an Idea Factory competition among employees. Rewards are granted to those participants who suggest interesting ideas. Moreover, even a manager who has yet to develop slots can participate.

Market research

Once ideas are selected, they are tested for potential success. Several tools are used to analyze the market:

● Questback. It tracks players and helps identify current trends. Information is collected not only through casinos but also through social networks.

● Loop11. Usability testing system. It is used to evaluate the usability of the interface. You can test a new page or any site, such as a competitor.

● Social Mention. The tool tracks trends and identifies topics being discussed on Facebook or YouTube.

● FreeLunch. It is designed to collect financial, economic, and statistical data using tens of thousands of open sources. FreeLunch is used to determine the cost of game development.

● SurveyMonkey is a survey tool that helps to determine how interesting a potential slot is to the target audience.

Writing code

To create a full-fledged game, you can only have knowledge of programming languages. The most commonly used tools here are:

● HTML5. About 70% of slots operate based on this language.

● Angular. An open-source platform for creating single-page applications.

● Node JS. The server part is responsible for calculations, functions, etc.

● Vert.x. Alternative to Node JS.


● Vue JS. Another platform for creating single-page applications with support for many features.

● MongoBD. It’s used to gather data in games. The gathered data is analyzed and utilized to enhance the system’s performance. Moreover, it helps to develop gaming features.


How many lines will there be in the code for one game? You will be surprised, but there can be thousands of them. And any of them may have a bug. Will users like it? You probably wouldn’t like it, and neither would others. Testing is held to find the majority of bugs. Here are the main stages:

  1. Combinatorial. Different settings are used for the repeated launch of a slot machine. The tester sets a different number of payout lines, changes the bet amount, etc.
  2. Functional. Verification of payment gateways and specifications compliance.
  3. Cross-platform. Launch the slot on different devices with different configurations.
  4. Regression. Errors are corrected, and after this, the machine is restarted. Testers have to redo the previous three steps.
  5. Load. Checking infrastructure and performance when running simultaneously from hundreds of devices.
  6. Gaming. The final assessment is held, and the game is analyzed. Sometimes, a beta test for a focus group is given a slot.

What can we conclude? It is impossible to predict how long development will take. This is a complex process. Moreover, everything depends on the main idea. The simplest game can be made in a couple of months. Want more advanced features in the game? Then it may take up to two years. Furthermore, many people will have to participate in the development.