Deadly Days is an action-packed game available on the Nintendo Switch, where players take on the role of survivors navigating a post-apocalyptic world. The game challenges players to manage their resources effectively, as they send their survivors out daily to scavenge for essential parts and scrap needed to upgrade their base. The strategic elements of the game require players to make tough decisions about how to equip their team and ensure their survival amidst constant threats.

Players can unlock a variety of weapons to enhance their survivors' capabilities and provide medical support to the injured. The game features a unique twist where, if all else fails, players have the option to initiate a nuclear strike. This adds a layer of complexity to the gameplay, forcing players to weigh their options carefully as they navigate the harsh realities of survival in a world gone mad.