Minecraft is a Java-based game about placing blocks to build anything you can imagine.
Minecraft is a sandbox building "indie" video game written in Java originally by Swedish creator Markus "Notch" Persson and now by his company, Mojang, formed from the proceeds of the game. It was released on May 17, 2009, with a Beta on December 20, 2010. The full release, version 1.0, was released on November 18, 2011. Android, iOS, XBox, and PlayStation versions are also available. (source: http://en.wikipedia.org/wiki/Minecraft)
The game is dependent on the
sun-java6-jre package from the Partner repositories in order to operate on Ubuntu, as the game was built using the Sun Java environment, published by Oracle.