A tutorial on how to make a tiny adorable DIY game pad, from a schematic by Daniel C. Links to supplies and author credits are below:

Stripboard layout diagrams (by me):
https://imgur.com/NyElHlu
3D printable STLs for enclosures:
https://www.thingiverse.com/thing:645...

Daniel C.'s project/product pages:
https://github.com/phoenixbozo
https://www.tinyjoypad.com/

Lorandil Tiny Dungeon:
https://github.com/Lorandil/TinyDungeon
AndyHighnumber alternate platform:
https://github.com/andyhighnumber/Att...
Yevgeniy-Olexandrenko's hex files:
https://github.com/Yevgeniy-Olexandre...
Tscha70's tiny Lander:
https://github.com/tscha70/TinyLander...

Music by the artist HOME (who approved their work for use on youtube):
https://home96.bandcamp.com/?from=sea...

Supplies:
Hookup wire: https://www.amazon.com/gp/product/B00...
Strip Board: https://www.amazon.com/dp/B00C9NXP94?...
Buttons: https://www.amazon.com/dp/B00NAY37SK?...
OLED Screens: https://www.amazon.com/dp/B0B1MG1CCK?...
Buzzers: https://www.amazon.com/dp/B00J4BK0NS?...
Batteries: https://www.amazon.com/dp/B01418SRMO?...
Switches: https://www.amazon.com/dp/B09R43HCY3?...
ATTiny 85s: https://www.jameco.com/z/ATTINY85-20P...
Chip sockets: https://www.jameco.com/z/6000-8DW-R-J...
Resistors: Generic. Recommend 1/4, 1% metal film.
Battery Holder:
https://www.amazon.com/RuiLing-CR2032...