Definitely a nostalgia pick, but this is quite good for a license-of-a-license, and for translating a TCG into a self-contained single-player experience. It got me into them in the first place (which may or may not be a good thing, but oh well).

Despite the graphical limitations of the game boy at the time. Pokemon Trading Card Game perfectly simulated the experience. And still does for those who didn't keep their cards when they grew up.