This document provides an overview of gameplay mechanics for Red Dead Redemption 2, including: - A breakdown of the main on-screen interface elements and what they represent. - An explanation of essential commands for movement, combat, stealth, exploration and more. - A high-level overview of key systems like horses, crime, challenges, hunting, fishing and crafting. - Annotations on gameplay structures like missions, chapters and epilogue sections. - Introductions to weapons, items, shops, customization options and collectibles. - Notes on maps, points of interest, trophies and extras for 100% completion.