Mugen is a battleground-style experience inspired by the acclaimed Demon Slayer. Players enter a free-for-all contest in a world full of breakable buildings and objects.

Basic talents in Roblox Slayers Unleashed include Breathing Styles and Demon Arts. These skills shape players' persona, playing style, and power in the Slayers Unleashed player versus player universe.

Roblox solved this problem by building its own game engine, which is designed solely to output Roblox-style experiences.