I've devoted a great deal of my speedrunning career to a game called Hue -> https://www.speedrun.com/Hue
And my profile is filled with games nobody's ever heard of :D
So if I fit your criteria, I'm in.
Thing can be north and south between indie games and AAA or they can be very similar. For example :
Games like Hollow Knight (indie) and Super Mario Odyssey (AAA) both had their glitched fixed, while games like Dishonored (AAA) and Skylar and plux (indie) won't have their bug fixed But if you compare dishonored to hollow knight, its south and north like i said.
The major difference should be finding glitch, cause technically, it should be harder to find glitch or bug in AAA since they have more resources, but then again, tons of oob in crackdown 3 (AAA )and no glitch in frostrunner (indie) and tons of oob for The Messenger (indie) while no glitch for Monster hunter (AAA)
So yeah north and south.
I'm not exactly sure what you need to know, but I've only speedrun indie games. 2 of which are obscure enough where I had to do much of the routing and strat finding myself.
@SCOOPS I run a game called Unhack, by indie dev InvertMouse. It's very obscure, so I'm very willing to talk about it.