Campaign Planning and Worldbuilding Tool for Game Masters

GameMasterCraft for campaigns that keep growing

Name: GameMasterCraft
Brand: Sixsmith Games

Your campaign should get easier to run as the world gets richer.

GameMasterCraft helps you organize NPCs, factions, locations, lore, session notes, timelines, and campaign continuity in one connected tabletop RPG workspace.

Explore Features

GameMasterCraft campaign dashboard showing a tabletop RPG campaign workspace for NPCs, factions, locations, and session notes — See the campaign workspace

A campaign dashboard built around NPCs, factions, locations, session notes, and the material a game master needs to reuse.

What it is

Every long-running campaign reaches the point where memory is not enough. The party returns to a town you improvised six sessions ago. An NPC they ignored becomes important. A faction they insulted should probably respond. A clue from months back suddenly matters again.

GameMasterCraft is built for that moment. It gives game masters one place to organize the people, places, factions, hooks, timelines, secrets, and session notes that make a campaign feel alive. Instead of digging through scattered documents or trying to remember what you meant three months ago, you can build from the campaign's existing canon.

This is not a generic notes app with fantasy labels. It is a structured campaign workspace for game masters who want their world to stay coherent as it expands.

Who it is for

Game masters running long D&D campaigns, homebrew tabletop RPG settings, sandbox worlds, and political or faction-driven games where the party's choices have real consequences.

Game masters who improvise often and want the campaign to remember what happened — so improvised characters, places, and threads can become material for future sessions instead of lost loose ends.

Creators writing adventures, settings, or Patreon content who need their world organized well enough to return to and build on.

The campaign remembers what happened

GameMasterCraft is designed around the way tabletop campaigns actually grow. You do not just write lore. You react to players. You prepare a villain, then the party befriends the lieutenant. You create a town, then the players decide to adopt it as a base. You invent a rumor, then it becomes the center of the next story arc.

GameMasterCraft helps you keep those moving parts connected, so the campaign can stay flexible without becoming messy. Use it to track NPCs, factions, locations, quests, session notes, homebrew lore, secrets, consequences, and the unresolved threads your players will absolutely remember at the worst possible time.

Good campaign prep is not about controlling everything. It is about having enough structure that you can improvise confidently.

See GameMasterCraft in action

These product screenshots show the actual GameMasterCraft interface near the features and workflows they support.

GameMasterCraft campaign screen showing generated NPC and encounter content beside canon check and session workflow controls — Generate NPCs, encounters, and prep material while keeping the campaign canon close enough to review.

GameMasterCraft canon library showing campaign NPCs, factions, locations, and linked lore for tabletop RPG prep — Keep NPCs, factions, clues, and locations linked so session prep builds on past consequences.

GameMasterCraft timeline screen showing upcoming session events and campaign consequences for a tabletop RPG — Track session beats and player consequences in a campaign timeline you can return to before the next game.

GameMasterCraft session notes screen showing recap notes, next session hooks, and tabletop RPG preparation prompts — Turn recaps, loose hooks, and next-session reminders into usable prep instead of buried notes.

How it works

Start with whatever you have — a campaign idea, a homebrew region, a villain, a town, a dungeon, a session recap, or a pile of old notes that needs structure.
Add the core pieces of your world: NPCs, factions, locations, lore, timelines, and session history. Connect them as the campaign takes shape.
Use AI assistance to help draft NPCs, expand locations, generate rumors, develop factions, outline quests, suggest complications, or turn rough notes into cleaner prep — all in the context of your campaign.
Let the campaign world build on itself over time. Improvisation becomes material. Session history becomes usable memory. The world gets richer as it grows.

Key features

NPCs that do not vanish after one scene

Track names, roles, motives, secrets, relationships, loyalties, rivalries, and unfinished business. When an improvised character becomes important, they have a place to live.

Factions with memory

Organize guilds, cults, noble houses, armies, churches, thieves' networks, rebel cells, monster clans, and political blocs. Keep track of what they want, who they oppose, and how they react to the party.

Locations that stay consistent

Build towns, ruins, dungeons, regions, shops, temples, strongholds, wilderness sites, and hidden places with enough structure to return to them later.

Session notes that become campaign history

Capture what happened at the table and turn it into useful campaign memory. Decisions, discoveries, deaths, promises, betrayals, and loose ends can all keep mattering.

Lore that supports play

Organize gods, myths, laws, cultures, magic systems, customs, prophecies, ancient history, and homebrew rules without burying the details where you cannot use them.

Prep that starts from your world

Create scenes, hooks, complications, rumors, encounters, and consequences from the material already in your campaign instead of starting from a blank page every session.

Pricing and access

GameMasterCraft is free to start inside Sixsmith Games. Create a campaign workspace and begin organizing your NPCs, factions, locations, lore, and session notes.

AI assistance is available to help you draft, expand, and organize campaign material in the context of your world. You stay in control of the campaign. The AI helps you move faster, fill gaps, and explore options.

Review GameMasterCraft pricing Read GameMasterCraft help

Frequently asked questions

What is GameMasterCraft?

GameMasterCraft is a campaign planning and worldbuilding tool for tabletop RPG game masters. It helps organize NPCs, factions, locations, lore, timelines, session notes, quests, secrets, and campaign continuity in one connected workspace.

Is GameMasterCraft only for D&D?

No. It is designed for tabletop RPG campaigns generally. D&D game masters are a natural fit, but GameMasterCraft also works for other fantasy, science fiction, horror, mystery, and homebrew tabletop RPG campaigns.

Does GameMasterCraft replace my campaign notes?

It can replace scattered notes, but it does not force you into one prep style. The goal is to give your campaign structure and memory while leaving room for your own creative process.

Does it use AI?

Yes, AI assistance can help with brainstorming, drafting, expanding, and organizing campaign material. The important distinction is that GameMasterCraft is built around your campaign workspace, not disconnected one-off prompts.

Can I use it with published adventures?

Yes. GameMasterCraft can help organize modified published adventures, added NPCs, changed locations, player consequences, custom factions, session recaps, and homebrew material layered on top of the adventure.

Is this for worldbuilding or session prep?

Both. GameMasterCraft is meant to connect worldbuilding and session prep so lore, NPCs, factions, and locations can actively support the next game session.

How is GameMasterCraft different from Virtual Combat Simulator?

GameMasterCraft is for campaign planning, worldbuilding, lore, NPCs, factions, locations, and session continuity. Virtual Combat Simulator is for running tactical tabletop combat with maps, tokens, initiative, and encounter flow.

How is GameMasterCraft different from SagaCraft?

GameMasterCraft is for tabletop RPG game masters preparing campaigns and sessions. SagaCraft is for fiction writers organizing novels, series, characters, chapters, timelines, and story continuity.