Days of Planet Earth: Expand is a free-to-play post-apocalyptic simulation game developed by Chiseled Games Japan株式会社. The game is set in a world that has been infected by alien microorganisms, resulting in a crisis-ridden world with mutated plants, fungi, animals, and zombies all around. In this game, your main goal is to build shelters, work with fellow survivors to eliminate the mutated creatures, and explore the mysteries of this world.

The game offers a variety of unique features, including building a shelter using limited resources, exploring unknown areas, mastering the strategy by properly matching the heroes under your command, changing the world by making choices that will impact NPCs and monsters, and forming alliances with other players to fight for resources and save human civilization. With high degree of freedom and gorgeous graphics, Days of Planet Earth: Expand provides a rich and intricate combat experience that will keep you engaged for hours.