Tales is one of the few JRPG series to offer couch co-op, and long term too. Nearly all the console entries have offered it since Destiny on the PS1 (Phantasia SFC and Legendia being the few that don't; the Xillias and Zesteria are AI heavy though for their battle systems, and reduce the feasible maximum from four players to two), and with the right people it can be pretty enjoyable to go through together. But again, "right people" being the keywords. Thus far I've gone through Eternia, Symphonia, Abyss, Vesperia, Graces f, Xillia, and Xillia 2 with a friend of mine, and had a great time with each. Used to also enjoy three player co-op with some other friends, but those days aren't coming back.
>>15126646
Too bad about the GBA and link cables requirement. Glad Namco decided against that for how Tales of Symphonia's co-op would work.