A relevant project in a sense that it's an always expanding collaborative pixel infinite (sort of) canvas is https://ourworldofpixels.com/ it's similar in being a very detailed and huge.
Reddit /r/place might have been inspired by this or this by /r/place. On here you will find some special worlds, e.g. there is one with so many ships drawn, one with flags, one with a huge fantasy world map. There may be more interesting ones but these are the ones I discovered.
https://www.reddit.com/r/wimmelbilder/ is probably the only big collection of very detailed art like floor796. No animations here though. This sub is restrictive in what and how you post and has therefore kept its quality over the years.
Reddit /r/place might have been inspired by this or this by /r/place. On here you will find some special worlds, e.g. there is one with so many ships drawn, one with flags, one with a huge fantasy world map. There may be more interesting ones but these are the ones I discovered.
https://ourworldofpixels.com/countrysim
https://ourworldofpixels.com/planetsim
https://ourworldofpixels.com/jpdld
There is also https://yourworldoftext.com which is same idea but in text format.