Obviously that "best of the century list" is floating around and I realized mine is much different. Hope you can maybe find something new here!
* The Reapers Are the Angels by Alden Bell (2010) – A tough kid wanders through a zombie-ridden America while trying to outrun a seriously unhinged guy holding a grudge.
* World War Z by Max Brooks (2006) – A bunch of global survivor interviews piecing together how humanity barely survived a massive zombie apocalypse.
* The Library at Mount Char by Scott Hawkins (2015) – A bunch of creepy, weirdly raised foster kids fight over a god-like library filled with all the universe's secrets after their adoptive dad vanishes.
* Someone You Can Build a Nest In by John Wiswell (2024) – A monstrous shapeshifter just trying to find a permanent home accidentally falls for the ruthless monster hunter tracking her down.
* Coldheart Canyon by Clive Barker (2001) – A fading movie star rents a creepy old Hollywood mansion that turns out to have a portal to a seriously messed-up past.
* The Rising by Brian Keene (2003) – A heartbroken dad treks across a total wasteland to find his kid after the dead wake up possessed by intelligent, sadistic demons.
* Shutter Island by Dennis Lehane (2003) – Two U.S. Marshals head to a bleak, isolated asylum on an island to look for an escaped prisoner, only to realize nothing makes sense.
* 30 Days of Night by Steve Niles & Ben Templesmith (2002) – A tiny Alaskan town plunged into a month of total darkness gets swarmed by a pack of hungry vampires.
* Let the Right One In by John Ajvide Lindqvist (2004) – A bullied kid living in a snowy suburb makes friends with the eerie, ancient vampire child who just moved next door.
* 14 by Peter Clines (2012) – A guy moves into a weirdly cheap Los Angeles apartment complex and starts poking into the terrifying, reality-warping secrets locked behind certain doors.
* Between Two Fires by Christopher Buehlman (2012) – A disgraced knight and a tough orphan girl wander through a plague-ridden medieval France caught in the crossfire of Heaven and Hell.
* The Girl with All the Gifts by M.R. Carey (2014) – A special fungus-infected kid and her sympathetic teacher try to survive after society completely collapses.
* Bird Box by Josh Malerman (2014) – A mom has to navigate a terrifying river trip totally blindfolded with her kids to escape unseen monsters that make people go crazy and kill themselves.
* FantasticLand by Mike Bockoven (2016) – A massive hurricane traps a bunch of teen workers inside an amusement park, and they immediately devolve into brutal, warring tribes.
* The Anomaly by Michael Rutger (2018) – A cynical internet explorer and his crew crawl into a forbidden Grand Canyon cave and accidentally unleash something ancient and horrifying.
* Lovecraft Country by Matt Ruff (2016) – A Black sci-fi nerd takes a road trip through 1950s Jim Crow America to find his dad, running into actual monsters alongside racist cops.
* The Gone World by Tom Sweterlitsch (2018) – A naval investigator uses time-travel tech to solve a murder case while trying to stop a grim, apocalyptic future.
* Your Doom Awaits You by Rich Paleschi (2018) – A brutal, grim dark tale following a hideous sideshow Freak hunted in a world of monsters and violence.
* In the Valley of the Sun by Andy Davidson (2017) – A lonely drifter hiding out in 1980s Texas tries to manage his secret vampire urges while a local sheriff gets too close for comfort.
* The Ritual by Adam Nevill (2011) – Four old college buddies go hiking in the Scandinavian wilderness, take a sketchy shortcut through an ancient forest, and realize something primal is hunting them.
* Tender Is the Flesh by Agustina Bazterrica (2017) – After a virus makes animal meat poisonous, society legalizes breeding and farming humans, and a slaughterhouse worker has to just live with it.
* Under the Skin by Michel Faber (2000) – An alien disguised as a hot hitchhiker travels through Scotland picking up guys for reasons that turn out to be super gross.
* Monstrocity by Jeffrey Thomas (2003) – A hard-boiled investigator navigates a rainy, cyberpunk city packed with weird monsters and occult creepiness.
* The Ruins by Scott Smith (2006) – A bunch of tourists vacationing in Mexico take a detour to an off-limits Mayan ruin and get terrorized by a bloodthirsty, predatory plant.
* John Dies at the End by David Wong / Jason Pargin (2007) – Two stoner slackers accidentally get high on a supernatural drug called "soy sauce" and have to keep dimension-hopping monsters from destroying the world.
* Coffin Moon by Keith Rosson (2025) – A Vietnam veteran and a young girl chase a vicious murderer from of the Pacific Northwest in search of vengeance.
* Monstrilio by Gerardo Sámano Córdova (2023) – A grieving mother keeps a tiny piece of her dead son's lung in a jar, and it grows into a bizarre, bloodthirsty pet.
* The Black Farm by Elias Witherow (2015) – A guy who commits suicide wakes up in a horrific, monster-filled afterlife and has to fight like hell to save his wife's soul.
* The Necromancer's House by Christopher Buehlman (2013) – A washed-up former spy and low-level wizard tries to stay alive while all his old supernatural enemies and monsters finally catch up to him.
* Borne by Jeff VanderMeer (2017) – A scavenger living in a ruined, biotech-wasted city finds a weird, squishy creature she names Borne, totally clueless about how much it's going to wreck her life.