MoonQuest inspired with (quite a few) additions. Stability is NOT guaranteed, backup frequently.
IndustrialCraft, BuildCraft, Mekanism, Tinkers, MystCraft, Galacticraft, ProjectE, including few config changes* to make the game more playable**!
Main Goals
Use technology to produce copious amounts of resources. (IC2, BuildCraft, Mekanism)
Build a computer to organize all of your junk. (Applied Energistics 2)
Generate as much energy as possible with nuclear reactors! (NuclearCraft and Extreme Reactors)
Construct a smeltery to discover new alloys and forge unique tools. (Tinkers' Construct)
Explore mystical dimensions that have endless possibilities. (MystCraft)
Build a rocket to explore the moon, Mars, and beyond! (GalactiCraft and ExtraPlanets)
Nice Additions
Explore a mystical dimension with tons of loot and bosses. (Twilight Forest)
Get around quicker and easier without touching the ground. (SimplyJetpacks2)
Do some hardcore parkour to get to hard-to-reach places. (Wall-Jump)
Create mob spawners of various levels. (SoulShardsRespawn)
Relax on the beach with palm trees and bamboo. (Tropicraft)
Kill mobs with hats to unlock the most hats and add something to your character. (Hats)
Craft vehicles to get around without walking. (MrCrayFish Vehicles)
Hide your valuables or your entire base. (Secret Rooms Mod)
Create a huge farm to feed yourself with unique foods. (Pam's HarvestCraft, HarvestCraft, FarmingForBlockheads)
Craft advanced armor and tools with tons of tweaks and addons. (Modular Powersuits)
Decorate your home or anything with literally thousands of items. (BiblioCraft and Decocraft)
Exchange items for equivalence. (ProjectE)
And many more notable mods to explore!
Actually Additions, Baubles, Better Animals Plus, Better Builder's Wands, Bonsai Trees, Carry On, Chisel, Dark Utilities, Dartcraft Reloaded, EnderIO, Extra Utilities 2, Immersive Engineering w/ addons, Inventory Pets, JEI w/ addons, Journey Map, Mob Grinding Utilities, Mystical Agriculture, OpenBlocks, OpenGlider, OpenModularTurrets, PneumaticCraft, Portal Gun, Potion Fingers, Reliquary, StorageDrawers, Tesseract, TheOneProbe, Waystones, Woot.
*Extra Planets has radiation/pressure disabled
*HarvestCraft's vanilla food nerf disabled
**In my own opinion, if you would prefer those challenges then delete ExtraPlanets.cfg or harvestcraft.cfg before launching the game

