+1 to all of the comments about how lazy the developers were in creating this expansion. As others have noted, they took the four shapes from the original (bucket, pump, buggy, & plow) and just switched the four colors around (red, yellow, green, & blue). This is just breathtakingly lazy. The problem is that when sorting cards out at the end of a round, you can't just sort by color, you've got to determine if it's one of two shapes. Watch this... orange rooster, purple shovel, aqua corn stalk, & brown hat. I have just made the expansion better, and it took a matter of seconds.
That being said, it's still a super-fun game, and six-player is a blast.
Pro tip: everyone pick an animal noise and make it whenever you play a card. It amplifies the frantic ridiculousness of the game. :)
The Dutch Blitz Blue Expansion Pack can be used together with regular Dutch Blitz in order to enable games with 5-8 players. Contains: 160 cards Dutch Blitz has developed this expansion that allows you to play with up to eight players. Insane. And, here's the thing. You can play with this New Blue pack, just like Classic Green, with up to 4 players OR combine the two packs to play with 5, 6, 7 or 8 players. Outta control. So, what makes New Blue different. It's simply a reinvention of the Classic Green boxed game that you know and love, with the colours of the four decks' designs (carriage, bucket, pump and plow) switched to enable more players. Yes, it's that simple and that awesome.