Design a board game, one turn at a time

1. Say how the game should feel. Drag a feeling, such as “tense” or “together”, from the left onto the shelf at the top.
2. Build the game. Drag blocks into the slots. Each block fits only its own slot. Core mechanic, Timing and Simulation hold as many different blocks as your game needs, each once; every other slot holds one, and a new block replaces the old one.
3. Write how it plays. In the box under the slots, type @ to tag a block on the canvas; the box it sits in is tagged with it.
4. Press Iterate. The tool looks up what your blocks tend to do together in a list prepared in advance, and says what is taking shape. Nothing is generated while you play.
5. Change something and press Iterate again. Each press is one turn. When you are done, press Mark complete for a closing summary.
6. Press Play to play it. The screen plays every block it has a rule for, with people or with players it moves by fixed rules, and lists what the people at the table do themselves.

Known games in the header has short games to play with things at hand, then watch and answer questions about. Test parts beside the feedback has quick tests of one block at a time.

Press ? on any block to see what it means (the feelings have none). Your design stays in this browser; Save game downloads it as a file you can open again later, and Start fresh clears it.