Hi and welcome rcbasicfans,
Yes - written with Thinbasic http://thinbasic.com/
I have dabbled in Sinclair Basic, AmigaBasic, AMOS Basic, Liberty Basic, IBasic and ThinBasic.
Yes - it is a Windows downloadable offline tool for making parser input text or text/graphic adventures with sound and music.
Yes - Similar to ADRIFT in some ways. Quite different in other ways.
You would have to try them to find out which one you liked and were comfortable in using.
Thx for info about your jam.