Here I go!
Demons Breeze: 8/10- It's a variation of Breeze Island, with lava instead of water which I found it to be an awesome idea, lava might lag for other people on their computers, but to me it's still an awesome map, really like the new structures, it's just a unique variation of Breeze Island that I happen to enjoy!
Freeze Island: 4.5/10- No, just no. Okay, it's a Breeze Island variation, and yes Demons Breeze got a higher rating, but I find this variation WORSE than the original Breeze Island, there are some unique characteristics to this like the dragon and the squid (creepy *shrugs*) but other than that, this map is terrible not to insult the map creator, and also, ice chasing is way worse than water chasing.
Valleyside University: 9.5/10- A map university based, so pretty unique. The structures are very well built, a lot of chests on the map and great gameplay. Honestly, I wasn't expecting much of the map at first, but after playing it, I loved this map! <3
Holiday Resort: 6/10- It's an... alright map, there aren't that many structures, sadly, I expected a lot more from this map, and there's a lot of water, so get ready for the water chases.
Wyvern's Wake: 3.5/10- Okay, I don't know how this got accepted in as an official MCSG map, I mean it's a really messy map, there are random biomes and pointless dragons (yes I know what a Wyvern is) EVERYWHERE, it's just a horrible, disgusting mess of a map, eww... (EDIT: please note my opinions might change if I play this map more often)