I’ve gone and done exactly the same thing with my own submission.
Just an update, for anyone who downloads my entry from the official post I discovered a few bugs that prevented game play proceeding past the first room. So if you’re interested in getting further than this (though I still don’t know if it’s fully playable just to warn you) then here’s a fixed version (the original link sent to Epic is still valid if you want to test it, just you won’t get very far and the enemy AI ignore you).