My two favorite platforms are GOG and Steam. It's not often that GOG can take a shot at Steam since Valve's platform does many orders of magnitude more in revenue than GOG, but they owned Valve on this one.
"The assumption that animals are without rights, and the illusion that our treatment of them has no moral significance, is a positively outrageous example of Western crudity and barbarity. Universal compassion is the only guarantee of morality."