How to Unlock World 3? It just skipped from World 2 to World 4, has anyone discovered it?

APIDYA

I cleared yesterday the game with one credit in Arcade.I played on expert and i had 18 million,but yo can t see the score.I think it is better when you list the scores extra.Only Beginner, arcade, expert in extra lists.and i dont know wheres the blue spine ;-)...

I have double dipped and bought this on sale today, I bought it on switch the day it came out and I found it a bit uncomfortable to play on the small screen (I don't use the dock nor have a TV for it). So I bought it today to try it on my laptop and I am disappointed. I like this game a lot, I like the traditional power up system, I like the soundtrack, and I like the precise analog controls. But on my 1440P laptop, if I play in windowed mode it's a small window stuck to the top left of the screen, and if ...

Any chance?