I just beat this game after procrastinating for like 3 years. and i loved it so I started playing Sora's story and I last left off at the Destiny islands repliku boss fight and after rearranging my cards and finding a new strategy I beat him. And the rest of the story was a cake walk. Now riku's story is a little different from Sora's as you know. 1. You can't add cards, it is a fixed deck. 2. You can only heal with king Mickey cards. 3. Riku had a dark mode that you can receive by breaking enough of the enemy's cards. So the gameplay is different between the two campaigns but it is super fun and enjoyable. I do prefer this to the ps2 version.