Diggerz.io is an online multiplayer game where players join and battle for control of various dungeons and caves. The game features a free-to-play approach, a wide variety of maps, and a set of custom crafted characters and weapons. Players can battle against others in various PvP modes or face off with enemy AI as they progress through levels in their own customized gameplay. The game also features a unique crafting system, allowing players to customize their weapons and armor for an even more customized experience.