

Batocera.
It has all the emulators built in and supports literally every game controller out of the box. It fits on 16Gb drive.
It can be a bit to configure until you find the optional combination.
I run it on my 2011 HP laptop with i5-2430M and Intel HD 3000 graphics.
edit: typo









Cain singlehandedly killed 25% of world’s human population.