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...
Don't stay in one place for too long if there are snipers about.
You can jump back towards walls you've already jumped off to avoid obstacles.
In the end-of-level scraps, take out anything with a gun before you deal with the others.