Minecraft vs Roblox

https://www.commonsensemedia.org/blog/minecraft-vs-roblox-how-these-games-stack-up-for-kids
http://www.minecraftforum.net/forums/minecraft-discussion/discussion/2151148-minecraft-vs-roblox-why-this-argument-is-stupid
https://www.quora.com/Which-is-better-minecraft-or-roblox
https://en.wikipedia.org/wiki/Open_world
https://en.wikipedia.org/wiki/Minecraft
https://www.wired.com/2013/11/minecraft-book/
https://en.wikipedia.org/wiki/Roblox
http://roblox.wikia.com/wiki/History_of_ROBLOX/Pre-2009
https://minecraft.net/en-us/store/
http://www.businessinsider.com/roblox-vp-of-developer-relations-grace-francisco-2017-5
https://www.forbes.com/forbes/welcome/?toURL=https://www.forbes.com/sites/forbestreptalks/2016/06/10/why-the-creator-of-roblox-thinks-his-gaming-platform-will-top-minecraft/&refURL=https://www.google.co.th/&referrer=https://www.google.co.th/
https://www.forbes.com/sites/forbestreptalks/2016/06/10/why-the-creator-of-roblox-thinks-his-gaming-platform-will-top-minecraft/#519fc27e13f0