i'll also join in on the Trails vs. RH as a tough one. RH can be fairly easily completed, no problem, while Trails to 100% does need a guide. Trails is notably longer, and i don't like its battle system AS much, but both are good. Trails has more fun characters, RH has better ones at the high end, with Stocke being just plain fantastic and a rare treat. the bad endings are fantastic and a really awesome piece of charm to the game, so it's tough.
The Edge of Green being so friggin' GOOD though may be what makes me like RH more. best track out of both games.
now go play the remake of LUCT on PSP.
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The King Wang.
Listen up Urinal Cake. I already have something that tells me if I'm too drunk when I pee on it: My friends. - Colbert.