A comprehensive, opinionated, actionable guide for building successful social games in the lineage of Stardew Valley, Township, Minecraft, Pixels.xyz, FarmVille, Dragon City, Moonlighter, Core Keeper, and the rest of the cozy/farming/sim/sandbox/Web3 family. Distilled from deep research on 15 reference games (Stardew Valley, Pixels.xyz, Sunflower Land, Graveyard Keeper, Core Keeper, Sun Haven, Moonlighter, Travellers Rest, Littlewood, Minecraft, Township, FarmVille 3, Big Farm: Mobile Harvest, Dragon City, Harvest Land) plus cross-cutting analysis of economy design, retention, live ops, monetization ethics, tech stacks, and indie-to-studio transitions. If you read only one section first, read §3 The 14 Pillars and §7 The Daily Loop Engine — those two ideas dictate every other decision in this document.…