- Mediocre story featuring a generic plot, awful pacing, an OOC lead (Enterprise), forced yuribait, and an inconsistent setting. If the writers' goal was to sum up the in-game story so far, they failed spectacularly. No in-game events are mentioned or animated, and what context is presented is vague and never expanded upon. Enterprise is reduced to a one-note ration addict without common sense who can only be saved not by her sister (Hornet) or her dedicated repair ship (Vestal), but by Belfast because yuribait. One of the major factions in-game (Ironblood) is sidelined with their starter ship only getting ~3 minutes of screentime, and the minor factions are nowhere to be found. Episodes sporadically hop from serious moments to lighthearted ones as if the writers couldn't agree on the atmosphere they wanted to present. There are several more issues I can give (e.g. that one episode where it took ~12 minutes of ships slowly approaching each other before they actually started fighting, Akagi being stuck with the idiot ball for several episodes) but you get the idea.
- Inconsistent animation; compare the first and second halves of Episode 8 and you'll see what I mean. There's a reason Bibury had to delay the last two episodes by three months just to make them serviceable. Speaking of which...
- Terrible 'fight scenes' with no sense of choreography or intensity. Zooming around on planes and dodging bombs is not a fight scene, it's a snooze fest. Some fights were better than others (Enterprise vs Zuikaku), but for the most part they were laughable.
- Forgettable soundtrack outside of the OP/ED outside of one or two tracks.
- Dub was hilariously bad; the German accents were way too thick.
Now this adaptation wasn't garbage at everything, and it's true that viewers had low expectations going in since since Bibury is a freelance studio that normally does in-between animation instead of entire adaptations. However, the only redeemable things about this adaptation (e.g. most character portrayals including voice acting) are done just as well if not better by the game, the manga adaptations of the game, and even Azur Lane Crosswave (regardless of its controversial gameplay). It's disappointing, and I feel bad for both Manjuu and Yostar because they've put their heart and soul into the IP for years, but now they have to deal with the bad reputation of an adaptation that was clearly doomed from Day 1.
If you have not played Azur Lane, please give it a shot. I can guarantee you that the game is much better than this adaptation on all fronts, and that Manjuu & Yostar treat it with plenty of love and care. As for this adaptation...well, at least the Blu-rays remedy some of the animation errors.
March 2021 Edit: Yostar Pictures's adaptation of Azur Lane (Bisoku Zenshin) just finished airing and is far better than this adaptation was, so be sure to give it a look if you were hoping for something else. I've also edited this review for concision.
