Okay, so here's the thing. I've listened to the Ray Porter version of Project Hail Mary probably three times at this point. It's basically my comfort audiobook - the one I throw on when I'm too tired to commit to something new but need something to get me through a brutal commute week. So when I saw there was a Spanish version narrated by Raúl Lloréns, I figured why not? My Spanish is rusty (thanks, four years of high school Spanish that I've barely used since), but I wanted to see if the magic translated.
It does. Mostly.
The Science Nerd's Dream, Now En Español
Look, Andy Weir writes books for people like me. Engineers who get genuinely excited when someone explains orbital mechanics correctly. The kind of person who paused The Martian to verify the math on the water reclamation system. That same obsessive attention to technical detail is what makes Mysterious Island work, even if Jules Verne's 19th-century science doesn't quite hold up to modern scrutiny. Proyecto Hail Mary is basically The Martian but cranked up to eleven - more stakes, more science, and honestly, more heart once you hit the middle section.
Raúl Lloréns gets this. His delivery on the technical explanations is clear and measured, which matters when you're trying to follow along with calculations about stellar luminosity at 6:47 AM while someone's elbow is in your ribs. He doesn't rush through the science like it's something to get past. He treats it like it's the point. Because it is.
The comedic timing is solid too. Weir's humor is very specific - it's that dry, self-deprecating scientist humor that hits different when you've spent your career surrounded by people who communicate primarily in sarcasm and whiteboard diagrams. Lloréns lands most of the jokes, though I'll admit some of the punchlines hit slightly different in translation. Not worse, just... different.
The Accent Thing (Let's Just Address It)
I saw the reviews complaining about the Spanish accent versus Latin American Spanish, and honestly? I didn't have strong feelings either way. But I can see how it might throw some listeners. If you grew up with Mexican or Colombian Spanish, European Spanish has a different rhythm, different sounds. It's like expecting American English and getting Scottish - technically the same language, but your brain has to adjust.
For me, it worked fine. Lloréns has this professorial quality that fits Ryland Grace perfectly. The character is literally a science teacher, so having him sound like he could be lecturing at a university in Madrid? Makes sense to me. Your mileage may vary.
The production quality is clean - no weird background noise, no volume issues. This matters more than people realize. Nothing kills an 18-hour audiobook faster than having to constantly adjust volume because the recording levels are inconsistent.
Where This Version Shines
Here's what surprised me: some of the emotional beats actually landed harder in Spanish. There's something about the language that adds weight to certain moments - especially in the back half of the book when things get... well, I won't spoil it, but you know if you know. The friendship that develops, the sacrifices made. Lloréns brings genuine warmth to those scenes.
The pacing is good throughout. 18+ hours is a commitment, and there are definitely sections in the middle where Weir gets deep into the technical weeds. Some listeners find this overwhelming. I find it meditative, honestly. It's the kind of content where your brain can half-engage while you're zoned out on the train, and then suddenly you're fully locked in because something just clicked.
Perfect for: long commutes, gym sessions where you need distraction from how much your legs hurt, or honestly just weekend cleaning marathons.
The ROI Calculation
Is this worth 18 hours of your life if you've already done the English version? Honestly, probably not unless you're specifically trying to improve your Spanish listening comprehension. In that case, it's actually perfect - technical enough to challenge you, engaging enough that you won't bail.
If you haven't experienced Project Hail Mary at all and Spanish is your preferred language? This is a no-brainer. The story is phenomenal, the science holds up (I checked), and Lloréns delivers a performance that respects both the humor and the heart of Weir's best work.
Skip this if: you've already got the Ray Porter version memorized and aren't actively working on Spanish skills. You'll enjoy it, but it's not different enough to justify the time investment.
I finished this over about two weeks of commutes. Would I listen again? Probably not this version specifically - I'll default back to Ray Porter for future re-listens. But I'm glad I did it. Sometimes hearing a story in a different language shows you things you missed the first time around.
The movie's coming with Ryan Gosling, by the way. I have opinions about the casting that I'll keep to myself. But read - or listen to - this first. Trust me.











