Our Ludum Dare 42 game has a steam page and demo!
Last August we made Backspace Bouken, a typing dungeon crawler (the theme was "running out of space"). It scored 52nd overall for LD42, so we ended up working on it a lot more and we now have a Steam page for it, a trailer to show, and a new demo. We've added a lot since that LD, and we'll continue to until it releases this year :)
https://www.youtube.com/watch?v=rvBEr2_2ew0