There is a systematic technique. A good hint website is:
http://www.uhs-hints.com/uhsweb/hints/myst4/
As a starter, your spirit guide told you what color you want to turn the
cloud things. Now, figure out what makes them morph back when you don't
want them to.
In article <1113351547.005212.223510 RemoveThis @f14g2000cwb.googlegroups.com>,
"Rocka-t-t" <erockett RemoveThis @uni.uiuc.edu> wrote:
> So I'm stuck with on Serinia, or actually Dream, I guess. I've made it
> to Dream for the first time, and I'm confronted with multicolored cloud
> things. I'm wondering if there's a logical way to solve the puzzle or
> if you just have to spend large quantities of time getting it right by
> trial-and-error. If there isn't a logical way, is there some kind of
> systematic technique that works to get the puzzle solved? I'm looking
> for hints, rather than answers to the puzzle at the moment.