WorldDownloader v2 for Minecraft 1.7.10 using MCP 9.08 SOURCE: https://github.com/dslake/WorldDownloader PLEASE READ THE MINECRAFT FORUMS THREAD AND FAQ BEFORE REPORTING A PROBLEM: http://www.minecraftforum.net/topic/1444862- I used MCP for deobfuscation, recompiling, and reobfuscation. Just download MCP, install it and follow the instructions here: http://mcp.ocean-labs.de/index.php/MCP_Releases Copy src files into src/minecraft/net/minecraft/src folder and use the batch or sh scripts.