Mega Man Battle Network 4
From The Rockman EXE Zone Wiki
Worst Mega Man Battle Network. How horrible. Didn't even add anything to the series with in-battle form changes, easier area transportation, stream-lined Chip Library, vibrant closer to the official art revamped OW art, more art consistency within battles, and a interesting Chip recognition AI with the DS Navis. Also came in 2 versions, with this game taking the most advantage of having two versions in the entire series with the New Game+ feature. This was the first game to to use Card e-Reader, with the most interesting card set-up the later games could not compare. Just plain terrible.