This mod adds a little more believability to your first few minutes of play, via the titular feature: Blocks don't drop anything if broken without the correct tool.

TerraFirmaCraft (TFC) is a total conversion mod that overhauls and reinvents survival mode.

The entire world has been converted into a frozen wasteland with heavy never ending snowstorms.

A mod which substantially improves Minecraft's data driven world generation error detection, reporting, and recovery mechanisms.

Hexagonal world generation, Settlers of Catan style!

Randomly shuffles where chunks generate.