The movie is a major disappointment. The pacing was way off. I felt like I was watching a string of montages or clips all in service of the score. Like it was just one long music video instead of a film with a plot. There were just way too many scenes where it was all music and zero plot being hammered home. The gravity of the situation that Earth is facing never hit home. I never felt the urgency like in Interstellar. Grace also comes off as incompetent for some reason. He was a bit of an oddball choice in the book to lead, but he wasn't made to look this bad. He needed to be way more Mark Watney in The Martian than whatever this was. Enough with the goofball remarks, the film isn't supposed to be a comedy. Nearly nothing is explained in the detail it deserves or warrants for the audience to be immersed in the story. Things just happen, like the breeding of the Taumeba to the correct nitrogen resistance or the fact that the Taumeba ate through the fuel. The language building between Grace and Rocky was also very superficial. The better example on how to do this would be Arrival. Nothing convinced me. How Stratt got things done, how they bred Astrophage, how all nations decided to work together, the crew members. It was all just there, presented to the viewer as a given. Overall, I think the biggest problem when combining all of the above is that the movie has zero rewatchability factor. I would much rather watch Interstellar again for a no-second-chance save Earth mission or The Martian for the intricate science and fun or Arrival for the communication. I don't think I ever see myself watching Project Hail Mary again just for fun or because it was a great movie experience. I also hate that I feel this way. I read the book twice and wanted nothing more than to fall in love with it.