Bitty Squeezy breezy pixel easy.
Narrow glyphs are common on the Speccy with 64-column routines gracing Your Sinclair as well as word-processors at the cost of readability.
Lately ZX titles are pushing for more than 24 rows!
Here's a little font that does just that and also comes in taller and narrower versions!
The screenshots do not do it justice as it needs tighter spacing than my preview tool provides. The FZX renderer will do it justice.
This font was day 7 in my 2023 Advent of Fonts.