JJ is an action game developed and published by Square for the Famicom in 1987. In English, it is sometimes referred to by its long form, Jumpin' Jack, or by its subtitle, Tobidase Daisakusen Part II. The game was only released in Japan. The sequel to Tobidase Daisakusen (known in North America as 3-D WorldRunner), JJ is a typical scrolling shooter, but it incorporates a third-person view, where the camera angle is positioned behind the main character. As in the previous title, the main character Jack must travel through various worlds, armed with his laser cannon and jumping ability, to defeat the serpentbeasts who have overrun the planets. JJ was the last game by Square to utilize the "3D mode" and 3D glasses, and was Square's last work before the inception of the popular Final Fantasy franchise. The soundtrack of JJ consists of eight tracks, and all of them are either remixed or reused from the game's prequel, 3-D WorldRunner. The game was scored by Nobuo Uematsu, and is Uematsu's 16th work of video game music composition.
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It also feels almost identical to the same game. I'm almost wondering if this was only made to give cartridge owners a chance to play the game. Also at the end it tells you to press B 4 times, hold up and left and then press start but I don't know where or what it does. Does anyone know??
Game Review - by Spinner 8
This is the sequel to 3-D Worldrunner. Don't break out those glasses just yet, kids: this game requires special glasses in order to see the rad 3D effect.
As far as how it plays compared to the original, it's… well, it's pretty much the same game. Your speed is fixed (meaning, constant) here, so your only choices are basically to move left and right. And jump, goddammit, jump. You won't be able to avoid those damned spinning orbs of death on the ground by just running past them. Maybe at first, sure. But not forever!
(editor's note: the last game Square released before Final Fantasy)
There's not much to say as a review for either title, since Cadensia gave a far better outline of the formula and history in a far more eloquent and concise manner than I would've shared. Only thing I could've added was an interview on Next Generation magazine were Hironobu Sakaguchi explained the game's sale figures and why it was created, and that this one right here was the last game Square made before Final Fantasy released onto the public.