Minecraft is game created by Mojang AB and/or 4J Studios and developed by Markus "Notch" Persson. You have to download the game. It is multiplayer and singleplayer and costs $26.95 (U.S. dollars). It also has a iOS, Android, Xbox 360 Live Arcade and Pi edition. Mine Blocks is based off of Minecraft as a 2D Flash free single player version.
There are many ways of acquiring Minecraft, free or not. Many websites claim to give you a free Minecraft, but they are just scams and Trojans, or an overlooked virus comes with the download. The safest and most trusted way is by paying for it at Minecraft.net.
Making Of Minecraft
From its creation, Minecraft was developed almost exclusively by Notch until Jens "Jeb" Bergensten started working with him, and has since become head of its development. It features sounds and music by Daniel "C418" Rosenfeld and paintings by Kristoffer Zetterstrand. Initially released as what is now known as Minecraft Classic on May 17, 2009, the game was released as Minecraft 1.0 on November 18, 2011. Since its release, Minecraft has expanded to mobile devices and consoles.