A fork of MineClone 2 with no release milestones, rapid delivery, merges by one approval and no MC target version limitations. But technically it's still MineClone 2.
Survival in hardcore acid-alien sci-fi themed world
A game that changes much of MTG's gameplay.
Multiple Biome Generator
230 Pseudorandomly Generated Biomes, Trees, Fruits, Ores, Tools, and Liquids
This combines several other mods that I consider a basic minimum starting point for worlds.