What to make of this band? They have their own sound, that much is clear. Gojira tends to chug along like the 1000-ton behemoth they are named after. Guitars are heeeaaaavy, and alternate between low-tuned power chords and squalling pick-scrapes and harmonics. It's not technical in the sense of being show-offy, but it's well-performed and leaves bruises. Under the guitars are usually precision double bass and other mathematical drum parts, reminding me of Meshuggah only more tolerable and less machine-like; and soaring over the top of it all is a powerful voice that sounds quite a lot like Max Cavalera, if Max was able to be melodic. It's a very forceful and raw, yet melodic, sound. And it really works for this music.
Speaking of which, the music Gojira makes is very difficult to categorize. They come from a death metal background, but there are lots of other elements: doom metal, hardcore, and post-rock. They are in the same neighborhood as Isis and Mastodon, but I find their sound to be both heavier and more distinctive. They throw in some chiming Pink Floyd-like clean passages, some whale sounds and similar atmospheric shenanigans... just enough variety to keep you on your toes, and to make the heaviest parts more effective by contrast. Crystal-clear production gives the proceedings a sheen that is definitely not kvlt, but definitely abets the massive, magestic feel.
Gojira is one of those hype bands of the moment, but I'd encourage you to look past the hype and find out on your own if you enjoy them or not. I keep going back to this album and finding more in its rich textures and ambitious scope. Their previous album "The Link" is also recommended, and is just a little rougher and deathier than this release.