This mod pack has an unnecessary amount of biomes for most people, but for those who love a large array of biomes of different kinds, you have come to the right place.

AppleSkin - provides information about some food mechanics that are invisible by default, allows you to see how much hunger you will gain if you eat a type of food, and more.

ATOP Armor for Biomes O' Plenty - adds Armor and Tools for the new gems of the Biomes O' Plenty Mod including ruby, amber, mud, and more

Biomes O' Plenty - adds 80 new and unique biomes to the Overworld and Nether. along with that comes new plants, flowers, trees, building blocks, and much more!

Biomes o' Plenty Tools - this mod adds new tools crafted with biomes o' plenty's gems, including a hammer, a sickle, some shears, and more.

CoFH Core - it allows you to use Team CoFH mods and it Adds new objects to the game's registry which may be used.

Dregora - adds over 230 new custom biomes and also adds 7000 Biome Objects including new trees, rocks, caves, dungeons, villages, and more!

Fantasy Biomes - adds some new, fantasy-inspired, biomes.

Lucky Biomes - adds island and biomes that are made of a block of something, such as dirt, iron, diamond, and more

Mist Biomes - adds 7 new biomes based on existing vanilla biomes but with mist now.

Mist Core - Mist Core adds mist and is required for other mods using mist.

More Biomes - adds 24 new biomes to your world that aim to improve your exploration and give you more building materials.

More Biomes Offical Addon - This mod is just like the More Biomes mod, except now they are adding 32 biomes to your world.

Open Terrain Generator - this mod allows users to design worlds via configuration files and share them with other players as their own mods, called OTG presets.

Proxy's Lib - this mod is just a library mod containing things that all this mod creators mods use to save time duplicating code.

Redstone Flux - just a Standalone Jar file for the Redstone Flux API.

Serene Seasons - this mod adds seasons.

Spooky Biomes - this mod adds a few new spooky biomes, trees, and more.

Underground Biomes - this mod adds new biomes for the caves you intend to explore, adding 24 new kinds of stone, 24 new variants of gravel, 24 new kinds of sand,

16 new types of cobblestone, and more.

Xaero's World Map - Mod adds a brand new mini-map to your game.

If you want more information on specific mods I would suggest you click on the name of the mod you want to know about.

big bunch of biomes