The complete player and creator guide

Learn the room, open packs, protect and grade cards, grow your stream, install Workshop content, and build your own creations.

Start your first day

Open Creator Studio guide

Learn the game

A plain-language walkthrough of every major room, screen, and progression system.

Protect your collection

Sleeves, top loaders, binders, display shelves, CardBay, and professional grading explained.

Create and share

A complete illustrated Creator Studio and Steam Workshop publishing guide.

Build a mod

The versioned Mod API reference for arcade add-ons, grading assets, card projects, room themes, and CardBay items.

Rip N Ship cards bursting from a newly opened pack

Pick what you need

You do not have to read this guide front to back. New players should begin with Getting Started. If a specific system is confusing, jump directly to it from the sidebar or use search.

New Player PathFrom the main menu through your first saved day.Grading PathPrepare cards, order a kit, submit, track, and open returns.Workshop PathBrowse, subscribe, refresh, manage, and remove community content safely.Creator PathBuild a card set, single card, or custom room and publish it.Mod API PathPackage supported add-ons and learn exactly what version 0.8.18 exposes to mods.

Current guide version

This site documents the current Steam Early Access game. Menus may change as development continues; the guide is maintained separately so it can be updated without exposing game source code.