The first room is obviously already filled.
Each character formatted as a link is a door to a subroom : CTRL+ENTER to go to this room.
ESC to go back.
If you find some white space, you can type a character which will be unformatted.
Move cursor to an unformatted character and use CTRL+SHIFT+Enter to make it a link to a new empty room.
Getting errors on FF and Chrome:<p><pre><code> TypeError: cell is undefined[Learn More]
script.js:86:11
set
https://burrow.jollo.org/script.js:86:11
set
https://burrow.jollo.org/script.js:211:11
type
https://burrow.jollo.org/script.js:232:13
app.events</<
https://burrow.jollo.org/script.js:417:7</code></pre>