Between the Neverland ship and the Einst, not only does the game's plot depend entirely on the events of Super Robot Wars Original Generation 2, but the Endless Frontier owes its very existence to them.
B-Team Sequel: This was not developed internally by Banpresto, but by Monolith Soft. However, the director of the game was previously a Banpresto employee who was highly involved in several Super Robot Wars, including the Original Generation games.
Limited Special Collector's Ultimate Edition: EXCEED had a Limited Edition release that includes an artbook, the original soundtrack and an audio drama CD, and a special DS cartridge carrying case along with a copy of the game.
No Export for You: EXCEED; Justified when the first game sold less than 90,000 units internationally, thus suggesting that Atlus saw no reason to localize it.