The only thing that stops the dust is the rain. It’s a sweet reprieve, but there is no middle ground. The land is either as dry as the Betty Ford clinic, or as wet as the ocean floor. Everything can be seen from the ridge overlooking Armadillo as John Marston gently bounces along atop...
If something looks like it's important, give it a tap. Chances are that it is.
You can replay the arcade games you've found whenever you want from the menu.
There's a map on most of the screens that shows you exactly where you are.