What's the binary size of Overwatch? What about SLOC? Yes there probably isn't the complexity in a business card game. But there are plenty of < 1MB games that

What's the binary size of Overwatch? What about SLOC? Yes there probably isn't the complexity in a business card game. But there are plenty of < 1MB games that have depth and complexity. What do the many extra orders of magnitude in the size of overwatch actually get you?