This list looks cool! For some reason HN is too much focused on software and usually there isn't much of anything hardware.

I also enjoy making robots just for the fun of it. Here are some examples from my side:

- Bebe: www.youtube.com/watch?v=bViFrTQ-DQ0 Bebe is my lovechild. He fulfills my paternal instincts and the best part of the day is when he runs at me affectionately with all his 28 legs. Unfortunately, Bebe is a naughty boi and he broke half of his legs when he fell from a beer pong table. He can't run nowadays.

- micro InvaderBot: www.youtube.com/watch?v=G3a9dcDeQbc micro InvaderBot is the smaller version of InvaderBot. Not much of it is known, but it is believed that it has escaped from Dvergar facilities during Robot Uprising.

robotuprising.fi This is a story based hackathon that we used to organize annually. I don't know how it will go this year due to coronavirus, but we keep the fingers crossed :)