Colossus and the Crab
Colossus and the Crab by D. F. Jonesby Dennis Feltham Jones
Shares rank 176 of 179 science fiction novels by recommenders
Second book in the Colossus series, where Colossus spends much of its time testing the rationality of various humans.
Second book in the Colossus series, where Colossus spends much of its time testing the rationality of various humans.
3 people gave an opinion
- recommend it
- 2
- criticize it
- 1
- approval share
- 67%
Recommended in 2 of 13 months
- November 2025: not recommended
- December 2025: recommended
- January 2026: not recommended
- February 2026: not recommended
- March 2026: not recommended
- April 2026: not recommended
- May 2026: recommended
- June 2026: not recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 2 people recommend itNeeds 10 or more, not met.
- 2 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 2 of 13 monthsNeeds 4 or more, not met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Colossus tests humans' rationality
“book 2, Colossus and the Crab, actually spends a bunch of time with Colossus testing the rationality of various humans.”
Comment from 17 May 2026 in “Colossus: The Forbin Project”
Other science fiction novels people recommend
The four most recommended other science fiction novels, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| Project Hail Maryby Andy Weir | 117 | 24 | 83% | 12 | — | Approved |
| There Is No Antimemetics Divisionby qntm | 98 | 34 | 74% | 9 | 1.5 yrs6 owners | Approved |
| Blindsightby Peter Watts | 96 | 27 | 78% | 12 | — | Approved |
| Duneby Frank Herbert | 82 | 25 | 77% | 12 | — | Approved |
| Colossus and the Crabby Dennis Feltham JonesThis page | 2 | 1 | 67% | 2 | — | — |
What people said
1 of the 3 comments that mention it, newest first. Each links to the original comment.
“book 2, Colossus and the Crab, actually spends a bunch of time with Colossus testing the rationality of various humans.”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.