The best modpack to ever exist ever. With about 55 mods, it's pretty cool.

Including some of the HOTTEST modifications, such as MCA, (Minecraft Comes Alive),

Pam's Harvest Craft, Simple Ores, Biomes O' Plenty and much More!

Exactly 50 mods to spice up your boring Minecraft world. This isn't even the World of Minecraft anymore, it's the World of H.A.P.

Mo Creatures and Grimores of Gaia will make every step of your adventure a little more tedious, and the Simple Ores mod and More Swords will give you a better chance of living with all those creepy crawlies out there. Good luck to everyone and have fun playing.

Here is a list of every single mod below.

JourneyMap (by techbrew)
Iron Chests (by progwml6)
Mantle (by mDiyo)
Mouse Tweaks (by YaLTeR97)
Inventory Tweaks (by Kobata)
Pam's HarvestCraft (by MatrexsVigil)
Extra Utilities (by RWTema)
BiblioCraft (by JDSinclair)
Iron Backpacks (by gr8pefish)
Biomes O' Plenty (by Glitchfiend)
ToroHealth Damage Indicators (by ToroCraft)
IncreaseMobs (by _kegare)
Custom Mob Spawner (by DrZhark)
Mo' Creatures (by DrZhark)
Weapon Case Loot (by Winter_Grave)
More Furnaces (by CubeX2)
RadixCore (by WildBamaBoy)
Nether Core (by RenEvo)
SimpleCore API (by AleXndrTheGr8st)
SimpleOres (by AleXndrTheGr8st)
DrCyano's Wonderful Wands & Wizarding Robes (by jriwanek)
Roguelike Dungeons (by Greymerk)
Grimoire of Gaia (by Silentine)
Calendar API (by CallMeFoxie)
FoxieLib (by CallMeFoxie)
Better Sleeping (by CallMeFoxie)
Player API (by Divisor82)
Smart Render (by Divisor82)
Smart Moving (by Divisor82)
Mo' Villages (by The_WeatherPony)
Ender Zoo (by CrazyPants_MC)
Just a Few Fish (by Tmtravlr)
AI Improvements (by darkguardsman)
ArmorPlus (by sokratis12GR)
Sophisticated wolves (by NightKosh)
Extra Golems (by sky_01)
Reptile Mod (by crackedEgg)
Chameleon Creepers (by Velocity666)
Much More Spiders V2 (by Soulas125)
Heart Items Mod (by ThePikaChuP)
More Swords Mod (by Darkhax)
Ender Compass (by MrIbby)
Minecraft Comes Alive (MCA) (by WildBamaBoy)
Grapple Hooks (by Intektor)
Village Names (by AstroTibs)
Dynamic Sword Skills (by coolAlias)
DrCyano's Lootable Bodies (by jriwanek)
Rope Bridge (by LordCazsius)
Clay Bucket (by abecderic)
Advanced Combat (by sblectric)

H.A.P

Advanced Combat

AI Improvements

ArmorPlus

Better Sleeping

BiblioCraft

Biomes O' Plenty

Calendar API

Chameleon Creepers

Clay Bucket

Custom Mob Spawner

DrCyano's Lootable Bodies

DrCyano's Wonderful Wands & Wizarding Robes

Dynamic Sword Skills

Ender Zoo

Extra Golems

Extra Utilities

FoxieLib

Grapple Hooks

Grimoire of Gaia

Heart Items Mod