Make the controllable objects selectable via the UI (by listing them as a default behaviour if nothing is selected)
This brings OLives a lot closer to look something like an actual game, by showing a list of controllable objects (read: “humans”) in the simulation game mode.
Under the bonnet that also forced me to add a convenience function that returns all objects of a certain category, one in the long list of functions that make me scratch my head and wonder “I thought I’d already written something like that”.
Check it out:

Or maybe check it out in motion: