The developer Askiisoft has confirmed that the free DLC for the game Katana Zero is nearing completion and will introduce new characters, levels, gameplay mechanics, and an expanded storyline. The DLC will remain free for existing players and is comparable in scale to the original game. While no specific release date has been provided, there is hope for a launch later this year. Players are currently revisiting the game to enjoy new features such as a hard mode and speedrun options.