7 Days to Die is a popular open-world survival game that was released in 2013. Players must survive against the elements and zombies in a post-apocalyptic world. The game features crafting, building, and survival elements, and has received positive reviews for its creative gameplay and engaging story. Many players enjoy the game's open-world aspect and the ability to explore and build in a dangerous, yet thrilling environment. Overall, it is considered a good game in its genre and has a dedicated player base.