Minecraft in his performances. A simulation of the game was featured in Lady Gaga's "G.U.Y." music video. The game is also referenced heavily in "Informative Murder Porn", the second episode of the seventeenth season of the animated television series "South Park". "Luca$", the seventeenth episode of the 25th season of the animated sitcom "The Simpsons" was inspired by "Minecraft"; Persson responded by tweeting "I'm not sure how I feel about it." After the release of "Minecraft", some video games were released with various similarities with "Minecraft", and some were called "clones" of the game. Examples include "Ace of Spades", "CastleMiner", "CraftWorld",
Minecraft mods as Java is known to be. However, Mojang developer Tommaso Checchi reassured fans on Reddit that modding was "too important" to "Minecraft" for the Java-based versions to be discontinued. Mojang released version 1.9 of "Minecraft" for the PC in early 2016, and with this update the company promised that the creation and updating of mods would be significantly simplified. Previous updates have been known to break available mods, forcing creators to spend considerable time updating them. In April 2017, Mojang announced the upcoming creation of a so-called "Minecraft Marketplace", where players would be able to sell user-created content for the