But Bubble Bobble is a Taito game, not a Nintendo game...
IIRC World 8 is for games that were playable on the old NINTENDO's console, not precisely made by Nintendo. Examples of games that would still fit in this world: battletoads, bubble bobble, double dragon, Bomberman, Galaga, Pac-Man, etc..
About Turbo's nitpicks... some of them are well, really nitpicks, take it easy man!
-Bub can't follow you over obstacles unless you jump, and even so just barely. I suggest you make him mimic your movements when you get just a little far from him so he can always follow you.I don't think that's necesary, he would still get stuck, and for areas like this you could just grab him. Remember Obreck is going to do something with weapons allowing you to duck, run, and do more moves more freely, and the guy coded him nicely to follow you in a bubble if he stays behind. This isn't needed imo.
-Bub should auto-assist when you're not using him (as in shooting enemies).That's not necessary either... the point of Bub in there is to serve as a weapon, so you can control what enemies and when to shoot to use as platforms. I don't think that's what the creator wanted, and he shooting everything would be eeehhh
-The checkpoint at 4:06 is weird floating in the air like that, you could have easily placed it on the platform above.I don't know how is that a problem... in Super Mario World there are dozens of floating checkpoints. I guess he liked it there
-His disappearance when you touch the goal flag at 6:03 is also weird, fix it.Sure thing boss!!
Lol, this one however is a good observation.