Beemo's feed

I’ve heard of beta testers, but is there a group or perhaps an individual that get to play before beta testers?

Developers play the game they’re developing no? And they make use of testers to see which aspects can be improved on or which elements they missed as well as catching bugs. That’s the the bare bones of what I’ve understood in game development as a layman Σ(  ̄□ ̄||)