How to Host a Create Comes Alive Server (Forge 1.20.1)

Create Comes Alive needs at least 5 GB of RAM to run cleanly — that's the floor for a Forge 1.20.1 pack combining Create's logistics simulation, MineColonies' colony AI pathing, and MCA Reborn's relationship tracking, so start a plan there rather than guessing from a generic modpack chart.

Import the modpack directly from its CurseForge/Modrinth listing instead of trying to reconstruct it from a client export — Create Comes Alive is a tight three-mod combo, and a clean import keeps the Create, MineColonies, and MCA Reborn versions locked to what the pack author tested together.

Watch the console through first boot: Create's kinetic block registration, MineColonies' colony and building data, and MCA Reborn's villager relationship data all need to finish loading before the server reports "Done" — don't treat a long first boot as a hang, but do treat repeated errors in that window as a real problem.

Let the world finish generating and do one offline walk-through — found your first colony, confirm Create machinery initializes, check a villager spawns with MCA Reborn's relationship UI — before inviting players in, since early colony placement and Create contraptions are expensive to redo.

Back up before you expand a colony, update Create contraptions, or upgrade mod versions — MineColonies colonies and MCA Reborn relationship and family data are both easy to corrupt with a bad update, and a lost colony or lost relationship history is the kind of progress players don't forgive.