It was in 2018 when Nvidia revealed its real-time ray tracing technology for games, titled Nvidia RTX. At the time, many people thought it to be the next best thing for video games, while others felt that it was going to be a side thing, like Nvidia Physx. Fast-forward to 2021, it's been over two years since RTX cards hit the market and many new games have opted for the technology. This is why it's interesting to see how many of these games have used it to goodwill.