Tough As Nails

Tough As Nails is a survival-oriented mod created by Glitchfiend, Adubbz, and Forstride. It adds new systems and modifies existing systems of Minecraft that allow for a more realistic and challenging survival gameplay. Notably, it adds systems to modify the player including body temperature and thirst, as well as systems that modify the world including seasons.

Tough as Nails was discontinued by the authors, but was later relaunched.

Guides

 * Changelog