80/20 principle. They've put in 20% of the effort into most of the game's various parts and achieved 80% of the results they need. It's not perfect, or even goo

80/20 principle. They've put in 20% of the effort into most of the game's various parts and achieved 80% of the results they need. It's not perfect, or even good, but it's just enough to be playable.