Oh geeze, yeah, DQIX has some of the best multiplayer I've ever played, especially for an RPG. Basically you can all run around and do whatever you like, until there's some major event like a cutscene that has to be watched, or a boss that has to be fought. Otherwise, if you get into a battle, you can call your friends to come help, but if they don't want to they can ignore you. One player invites everyone else into their game, so only they get the progress, and vice versa if you decide to play in someone else's game. Red chests can only be opened by the main character, and blue chests (which get refilled every play) can be opened by anyone, and each player can open it once (I think the DS Phantasy Star was like that too). We also have a lot of fun goofing off with the B button actions, like whistling or clapping hands.
Favorite bosses or story, well it's been so long (and I'm not sure I even saw the entire game) so I'm not sure...but I know I always really liked the background story, how you're a Celestrial who fell, and nobody on whatever-the-planet-is-called knows who you are, even though they have statues of you and worship you.
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