From what I remember, I spent my time trying to create useful things from the limited things I had access to (we were somewhat poor; didn't have many toys, tools and materials to play with), learn how to do things more skillfully (including fighting), move as fast as possible, explore, do experiments, or just learn things in general. I was competitive, but not combative. I played pretend a lot. I loved reading stories. First graphic stories like comic books, then novels once I learned the joy of reading them.
I hated arbitrary puzzles, but I loved figuring out meaningful things. In grade school I spent a lot of time tinkering with the DOS prompt for purpose of playing video games. If I had access to a programming textbook, I would have taught myself a programming language, maybe even machine language. I knew that you could hack games by messing with machine code, but I had no idea how to figure any of it out. The best my school had was some books with pre-made code to make super-simple games, and my father eventually bought me a book about the basics of MS-DOS by the time I had figured most of it out.
I wish I had a linux system to tinker with growing up
Oh yeah, and I did a lot of sport-ish stuff with friends, from tag to bike racing to street hockey and golf.
Except for my obsession with novels and computers at a young age, I was pretty normal.
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Thank you deeply for sharing your experiences. I don't feel so alone anymore.