The video game Minecraft is one of today’s most popular games. At the same time, it is one of the few video games that are used in lessons worldwide. Minecraft was first published for PCs in 2009 and is meanwhile also available on smartphones, tablets and various game consoles. With over 120 million licences sold, Minecraft is one of the most successful video games in the world. Due to the various editions and game modes, Minecraft can be played alone or with partners. The multiplayer mode is not limited to PCs networked by cable, but is meanwhile alsoavailable on a cross-platform basis via WLAN on various terminal devices such as smartphones and tablets.