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Try it on Steam for FREE!

Game Master Engine is now free on steam! The Free Edition gives players the ability to create their own map, place minis and get a feel for what Game Master Engine has to offer. They can even join games that are hosted by other players with the GM Edition.

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Never split the party

Come join our Discord server! You'll find events, polls, competitions, cool people to hang out with, and even maps made by other players. Random giveaways are also hosted through our subreddit and Discord server. Ask questions, give recommendations, and even hang out with the devs!


Over 1500+ Props

Build your maps with hundreds of unique props, effects, and more!

Players Join
For Free

Players can use the Free Edition to join games for FREE!

Infinite Creativity

Stretch, spin, and combine props together with endless combinations.

Frequent Updates

Regular updates constantly keep the props and features coming!

Game Master Engine



- Build maps (limited to 1 save slot)

- Join multiplayer games (can't host)

- 1500+ free props

- Place, move, and edit mini-figures

Game Master Engine



- Build maps (unlimited save slots)

- Join & Host multiplayer games

- Edit Multiplayer Permissions

- 500+ GM exclusive props

"You are not entering this world in the usual manner, for you are setting forth to be a Dungeon Master. Certainly, there are stout fighters, mighty magic-users, wily thieves, and courageous clerics who will make their mark in the magical lands of D&D adventure. You, however, are above even the greatest of these, for as DM you are to become the Shaper of the Cosmos. It is you who will give form and content to all the universe. You will breathe life into the stillness, giving meaning and purpose to all the actions which are to follow.

― Gary Gygax
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