The article discusses the tools and technologies used to create a hit HTML5 game on Steam, including Sublime Text, Visual Studio Code, Photoshop, and Electron. The game, Curious Expedition, was developed using a custom engine and has sold over 200,000 units to date. The author shares their experience with various tools and platforms, including project management, version control, and payment processing. The article provides a comprehensive list of tools used during the development of the game.