Minecraft has arguably evolved into its own "platform" with people building and sharing their own worlds (some on Minecraft's own managed Realms, many not) and

Minecraft has arguably evolved into its own "platform" with people building and sharing their own worlds (some on Minecraft's own managed Realms, many not) and tons of third-party games built on top of Minecraft accessible to the public. Fortnite may evolve in this direction some day, but it hasn't yet.