In this pack, you start out underground, with moss, a composter, and some bonemeal. You burn during the day above y=60, and the pack is entirely beatable in peaceful mode.
You start with normal Create, although underground wood is a rarity and only in the form of azalea logs. After you progress far enough, you can make a blaze spawn egg and smash it into an empty blaze burner to make a full one, and progress into the Brass Age. Once you get the blaze burner, Immersive Engineering opens up, and you can begin manufacturing your first steel. Once you get an arc furnace, you gain access to constantan, an important alloy for advanced machines.
In the early game you also gain access to early tinkers and AE2, and after getting some blaze eggs, you can start manufacturing blazing blood to make advanced alloys. After you have made some infrastructure, you can craft end portal frames and go into the End, and choose to either fight the dragon and explore the outer end, or do some annoying crafts to bypass the fight.
Later, you gain access to Extended Crafting and progress through the tables, eventually getting access to the Ultimate Block and creative items.
Some help with quest organization from discord-users Cyvack(https://www.curseforge.com/members/bluefire_trinity/projects), and a lot of ideas and datapacks from cadencoaster
No official relation to Create :Above and Beyond, or Create: Below and Backward.