FreeSlots99 is the home of cosmos-themed slot machines site. It contains a huge collection of slots with more than 5500 free slot games. Website itself is based on latest technologies: HTML5, CSS3, SVG, AJAX, REST API, boilerplate, webpack, responsive design, vivid vector graphics, it is mobile-friendly etc. FreeSlots99 is a rare website with this sort of original design and modern development workflow in the gambling niche - most of them has outdated design from 90's. It was created in 2016.