Not sure what your budget is but many projection screens cater for rear projection. Obviously it is not as ideal as front projection but it does no harm really. Screens from Stewart and Avance worthy ...

From residential installations to the U.S.S. Stargazer set on Star Trek: Picard, projection screens have a variety of use cases. Whether it is a live event, immersive attraction, or home theater, ...

Being able to project an image on any flat, or flat-ish, surface is one of the greatest strengths of any projector. Most modern projectors have built-in streaming and at least passable speakers, so ...