I have unpacked this with my VBA-IDE-Code-Export tool, if you want to have the binary go to the releases and download it from there.
This was made in Microsoft Excel 2003, an awesome achievement!
There is a link to the site VBA Action game
Heres a pic of the site:
Thanks to Nathan Piercy for confirming the author as 'Nobuya Chikada' links for this can be found here detailing his name, it's also quite clearly marked in Module1.bas! screenshots here:
This looks like a great resource if you want more retro games, also Nathan linked a book for VBA Game creation, looks to be a bargain @~£76 👍
Thank you [not now so] mysterious contributor from the past 👍 Nobuya Chikada