Now for my second opinion...
2. Harry Potter Games
In particular, I would say the latest one, Harry Potter and the Order of the Phoenix.
Now, most people frown upon players of these HP games, but I actually quite had fun exploring all of Hogwarts. Shame I had those two idiots tailling me everywhere. Became a nuisance when they became a bother instead of a helpful presence. Sure they were handy helping you lift or repair something that you, Harry, couldn't do alone. And sure they helped with the duels and other fighting sequences. But honestly, being nagged by them (especially in one of the older games) to go to bed, or to call it a day almost made thow the frickin' game out the window. Ahem. Sorry.
I never played the PS2's version of HP and the Philosopher's Stone. Just the PS1's version. Maybe I should...? All I know is that I played the PS2's version of HP and the Chamber of Secrets (and never bothered to play any more PS1's HP games from then on). I loved how you could fly around and up to the rooftops on your Nimbus2000. Shame they took that feature out of the later games. It would be ever so much fun, especially in the latest game. Instead you're restricted to the ground for your exploring. Still fun, but not as much fun exploring via the air on your Firebolt though.
A fair bit to do and collect in this game. Playing Exploding Snap, and the various marble games was quaint. Playing chess though was a nightmare (for me anyway). Never played the damn game before I managed to fluke it past two of the easiest chess players, but never managing to pass the girl in the library. So getting to 100% for this game is not possible for me unless I can get good at chess somehow and beat this...err...'girl'.
Regardless of this girl though, I found the game quite thoroughly fun and moderately addictive to play. Let's see how they go with the next game, which no doubt is limited to PS3 only. Shame, as I can't quite afford a PS3 just yet.