Collaboration & Community

A tabletop RPG is a social agreement before it is a game: a handful of people promise to show up, share a story and look after each other's fun. Most campaigns that fail do so for group reasons, not rules reasons: mismatched expectations, uncomfortable content, scheduling drift. This page covers the practical side of playing together, from session zero and safety tools to shared worldbuilding and keeping a group alive.

Session Zero: The Checklist

Session zero is a meeting, usually before the first real session, where the group agrees on what game they are playing. Run it even with friends you have played with for years; each new campaign brings new assumptions. Cover these points and write down the answers.

Topic	Question to settle
Pitch and tone	What is the campaign about, and is it heroic, grim, comedic or horror?
Content boundaries	Which themes are out entirely, and which can happen off-screen? (Lines and veils, below.)
Safety tool	Which tool will the table use mid-session, and how?
Party cohesion	Why do these characters work together? Is intra-party conflict okay, and how far?
House rules	Optional rules, character creation method, homebrew, rulebook editions in play.
Logistics	Schedule, session length, minimum players to run, what happens to absent players' characters.
Table etiquette	Phones, side conversations, food, how rules disputes get resolved.

Finish by building characters together so players can connect backstories. The full session zero guide includes example scripts and common pitfalls.

Safety Tools That Work at Real Tables

Safety tools are lightweight agreements that let anyone adjust the content of a game without a long conversation in the middle of a scene. They are not only for "serious" games; a horror one-shot and a lighthearted dungeon crawl both benefit.

Lines and veils

A line is content that will not appear in the game at all. A veil is content that can exist in the story but happens off-screen, with a fade to black. Collect them at session zero, anonymously if your group prefers, and treat the list as open to additions at any time.

The X-card

Designed by John Stavropoulos, the X-card is a card with an X on it, placed where everyone can reach it. Anyone can tap it (or type "X" in chat online) to remove the current content, no explanation required. The GM rewinds or edits the scene and play continues.

Other common tools

• Open door: anyone can leave the table, temporarily or permanently, without having to justify it.
• Script Change: a set of media-style commands (rewind, pause, fast-forward) for adjusting scenes.
• Check-ins: a quick thumbs-up, sideways or down before an intense scene.
• Debrief: two minutes at the end of a session for "stars and wishes": one thing that worked, one thing someone wants more of.

Pick one or two and use them consistently. The TTRPG Safety Toolkit, compiled by Kienna Shaw and Lauren Bryant-Monk, collects these and many more in one free reference.

Building the World Together

Shared worldbuilding gives players ownership of the setting, which makes them care about defending or changing it. You do not have to give up control of the world; you give out pieces of it.

• Ask leading questions: "Your character fled the capital. What did the city guard do that made you leave?" The answer creates a faction and a grudge in one line.
• One contribution each: every player invents one location, one NPC and one rumor tied to their character. You decide which rumors are true.
• Collaborative history games: games like Microscope (Ben Robbins) and The Quiet Year (Avery Alder) are designed to build a history or community as a group, and can be played as a session zero for a longer campaign.
• Connected backstories: require each PC to share a past with at least one other PC. It solves party cohesion before play starts.

Keep a single canonical record so contributions do not get lost or contradicted. A wiki of connected lore entries works well. Anima is one free option: it runs in your browser with no account and stores everything on your device, so it serves as the GM's master record rather than a live shared space; share player-facing handouts separately.

Finding and Keeping a Group

Where to find players

• Local game stores: many host organized play or have a board for "looking for group" notes.
• Online LFG communities: subreddits like r/lfg, Discord servers for specific systems, and virtual tabletop forums.
• Paid tables: professional GMs list games on marketplaces, which is a low-commitment way to try a system.
• Your own one-shot: running a single short adventure for friends of friends is the easiest audition for both sides.

Keeping a group together

• Fixed cadence: "every other Thursday" survives longer than scheduling each session by poll.
• Quorum rule: decide how many players must attend to play. Below quorum, run a side one-shot or cancel without guilt.
• Recaps: a two-minute recap at the start of each session keeps irregular attendees engaged.
• Defined endpoints: campaigns with a planned end, or seasons of 10–12 sessions, give people a natural point to step out without leaving the group.

Playing online

For online play you need voice (or video), a shared way to roll dice, and optionally a virtual tabletop for maps and tokens. Many groups play theater-of-the-mind over voice with a shared dice roller and an initiative tracker on the GM's screen. Agree on how the X-card works online (a chat keyword or emoji) and keep cameras optional.

Recommended Reading Path

1. How to Run a Session Zero — the checklist above, expanded with examples.
2. How to Handle Player Backstories — weaving player contributions into the campaign without derailing it.
3. Worldbuilding Questions: 100 Prompts — questions to hand players during shared worldbuilding.
4. How to Build a Faction System — giving player-invented groups a role in the story.
5. How to Keep Track of NPCs — remembering everyone players care about.
6. Session Notes Template — for recaps that keep absent players in the loop.
7. How to Write a One-Shot Adventure — the best way to recruit and test a new group.
8. Digital Tools & Software Reviews — comparisons of VTTs and campaign tools for online play.

Related planning guides are collected in the Campaign Management Hub.

Frequently Asked Questions

What is the X-card in D&D?

The X-card is a safety tool created by John Stavropoulos. Any player can tap a card marked with an X to remove the content currently in play, without explaining why. The GM edits or skips that element and the game continues.

What are lines and veils?

Lines are topics that will not appear in the game at all. Veils are topics that can be part of the story but are not described in detail, happening off-screen. Groups usually list both during session zero and update them as needed.

How do I find a D&D group near me?

Start with local game stores, which often run organized play nights or keep a looking-for-group board. Online, system-specific Discord servers and LFG subreddits list both in-person and online games. Running a one-shot for acquaintances is another reliable way to form a group.

How many players are best for a TTRPG group?

Many published adventures, including most D&D 5e material, assume a party of three to five players plus a GM. Smaller groups get more spotlight time each; larger groups are more resilient to absences but slower in combat.

Can players help build the campaign world?

Yes. Asking players to invent a location, an NPC or a rumor tied to their character gives them a stake in the setting. The GM keeps final say over what is true and keeps a canonical record so contributions stay consistent.