Since you had to record and upload the GIFs yourself (which to be fair was easy with PICO-8), I spent a month or so writing a Twitter bot to automatically respond to the Lua programs with a GIF of them running [4]. I was extremely proud of my shoddy little bot (that used Python, bash scripts, and a LXD container inside another LXD container, IIRC). Crazy coincidence: I released it just hours before someone else was to release their Twitter bot that did the same thing [5], despite this niche being unfilled for years and neither of us knowing of each other. His was better architected, and we kept in touch for a while.
1. https://twitter.com/search?q=%23tweetcart
2. https://mastodon.gamedev.place/@Pico8TweetCarts
3. https://www.lexaloffle.com/bbs/superblog.php?mode=gifs&cat=0...