Technology has made vast inroads into various fields, including the online gaming industry. There are numerous casino slots online that have gained significantly with the intervention of technology. However, with the focus on newer generation tech, it’s sometimes easy to forget the hands behind this burgeoning change. Game developers have, by and large, remained invisible in an industry that screams (demands) change. The tools that game developers use in their arsenal have required considerable upgrades (latest iterations and programming languages). The use of different programming languages to make games entertaining and fun is the need of the hour for developers and producers alike. HTML5 game development requires a unique skill set and a keen understanding of this programming language and tools based on the type of games. One of the tools which are in use quite extensively is HTML5, and this article aims to cover HTML5 game development.