Game development often uses commercial solutions like perforce that have central servers so you can lock out your binary files and everyone will know not to touch them at the same time as you.

I think I’ve seen SVN in a single studio in the past decade. It’s almost all Perforce, because of better performance and tooling and the Unreal integration.

And yes, locking unmergeable files is essential either way.

Ah. I forgot about Perforce. I stand corrected