Minecraft is a single game with the option of mods. Roblox is like a game marketplace with an engine where kids can make their own stuff and play each other's s

Minecraft is a single game with the option of mods. Roblox is like a game marketplace with an engine where kids can make their own stuff and play each other's stuff (also microtransactions and the option for the kids to make money from said microtransactions).