Not Till We Are Lost by Dennis E. Taylor11.22.63 by Stephen  KingOutland by Dennis E. TaylorEarth Abides by George R. StewartThe Mercy of Gods by James S.A. Corey
S&L Top-100 Science Fiction, Fantasy Titles
1,754 books — 2,241 voters
The Plot Against America by Philip RothHow Few Remain by Harry TurtledoveFatherland by Robert   HarrisRed Mars by Kim Stanley Robinson
Best Alternate History Novels and Stories
783 books — 1,320 voters

Wool Omnibus by Hugh HoweyAlas, Babylon by Pat FrankThe Andromeda Strain by Michael CrichtonEarth Abides by George R. StewartParable of the Sower by Octavia E. Butler
Adult Dystopian Books
148 books — 250 voters
The Plot Against America by Philip RothHow Few Remain by Harry Turtledove
Best Alternate History
370 books — 697 voters

Dungeon Crawler Carl by Matt Dinniman
LitRPG Apocalypse (Audiobook)
31 books — 14 voters

We Are Legion (We Are Bob) by Dennis E. Taylor
Most Under-rated Science Fiction
2,141 books — 2,304 voters
Project Hail Mary by Andy Weir
Science Fiction - 2020-2029
235 books — 274 voters

The Hitchhiker’s Guide to the Galaxy by Douglas AdamsWe Are Legion (We Are Bob) by Dennis E. TaylorOld Man's War by John ScalziThe Restaurant at the End of the Universe by Douglas AdamsLife, the Universe and Everything by Douglas Adams
Best Comedic Science Ficttion Books
624 books — 1,198 voters

Project Hail Mary by Andy WeirFugitive Telemetry by Martha Wells
Can't Wait Sci-Fi/Fantasy of 2021
601 books — 1,492 voters
Red Rising by Pierce Brown
Hidden Gems of Science Fiction
482 books — 431 voters

Red Rising by Pierce BrownOld Man's War by John ScalziGolden Son by Pierce Brown
Best Space Opera of the 21st Century
306 books — 571 voters
Wool Omnibus by Hugh Howey1984 by George OrwellFahrenheit 451 by Ray Bradbury
Best Post-Apocalyptic Fiction
1,288 books — 3,459 voters

Project Hail Mary by Andy WeirThe Hitchhiker’s Guide to the Galaxy by Douglas AdamsRed Rising by Pierce BrownWool Omnibus by Hugh HoweyWe Are Legion (We Are Bob) by Dennis E. Taylor
Best Science Fiction
3,828 books — 7,568 voters
Project Hail Mary by Andy WeirWool Omnibus by Hugh HoweyRed Rising by Pierce BrownAll Systems Red by Martha WellsGolden Son by Pierce Brown
Best Science Fiction of the 21st Century
1,363 books — 9,541 voters

Project Hail Mary by Andy WeirThe Hitchhiker’s Guide to the Galaxy by Douglas AdamsWool Omnibus by Hugh HoweyRed Rising by Pierce BrownWe Are Legion (We Are Bob) by Dennis E. Taylor
Best Science Fiction & Fantasy Books
8,706 books — 25,633 voters
Wool Omnibus by Hugh HoweyRed Rising by Pierce BrownParable of the Sower by Octavia E. ButlerAlas, Babylon by Pat FrankEarth Abides by George R. Stewart
Best Dystopian and Post-Apocalyptic Fiction
3,983 books — 26,572 voters

Dungeon Crawler Carl by Matt DinnimanHe Who Fights with Monsters by Shirtaloon
LitRPG - GameLit
359 books — 195 voters
Dungeon Crawler Carl by Matt DinnimanHe Who Fights with Monsters by ShirtaloonSurvival Quest by Vasily MahanenkoStuff and Nonsense by Andrew SeipleDungeon Madness by Dakota Krout
Best LitRPG books (ALL)
537 books — 687 voters