Red Blob Games
Shares rank 11 of 31 interactive visualizations by recommenders
People recommend it for clear, visual explanations of game and algorithm concepts such as pathfinding, Perlin noise and map labels, written for people who want to understand how things work.
People recommend it for clear, visual explanations of game and algorithm concepts such as pathfinding, Perlin noise and map labels, written for people who want to understand how things work.
8 people gave an opinion
- recommend it
- 8
- criticize it
- 0
- approval share
- 100%
Recommended in 5 of 13 months
- November 2025: not recommended
- December 2025: recommended
- January 2026: recommended
- February 2026: not recommended
- March 2026: not recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: recommended
- August 2026: recommended
- September 2026: recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 8 people recommend itNeeds 10 or more, not met.
- Nobody criticizes itNeeds 2 to 1 or better, met.
- Recommended in 5 of 13 monthsNeeds 4 or more, 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
Clear explanations of algorithms and concepts
“an interested collection of articles on algorithmic concepts you might want to know for writing games”
Comment from 24 Dec 2025 in “Ask HN: What are the best engineering blogs with real-world depth?” “some of the best explanations of concepts like pathfinding, perlin noise etc”
Comment from 17 Aug 2026 in “Interview with Amit Patel, Creator of "Solar Realms Elite"” “Red Blob Games has quite a few S-tier posts”
Comment from 9 Aug 2026 in “Improving Heuristics for A* Pathfinding” Strong presentation and visual teaching style
“learn a lot from how they do their presentations”
Comment from 20 Aug 2026 in “A faster way to calculate the day-of-the-week” “Red Blob Games has quite a few S-tier posts”
Comment from 9 Aug 2026 in “Improving Heuristics for A* Pathfinding” Valuable resource for game developers
“an interested collection of articles on algorithmic concepts you might want to know for writing games”
Comment from 24 Dec 2025 in “Ask HN: What are the best engineering blogs with real-world depth?” “red blob games is a treasure”
Comment from 13 Jul 2026 in “Circular Obstacle Pathfinding (2017)”
Other interactive visualizations people recommend
The four most recommended other interactive visualizations, 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 |
|---|---|---|---|---|---|---|
| ciechanow.ski | 33 | 1 | 97% | 9 | — | Approved |
| Size of Life | 30 | 4 | 88% | 2 | — | — |
| PGSimCity | 27 | 3 | 90% | 1 | — | — |
| Ithihāsas | 18 | 3 | 86% | 1 | — | — |
| Red Blob GamesThis page | 8 | 0 | 100% | 5 | — | — |
What people said
7 of the 9 comments that mention it, newest first. Each links to the original comment.
“Red Blob Games [0] is the closest thing in spirit these days”
“learn a lot from how they do their presentations”
“some of the best explanations of concepts like pathfinding, perlin noise etc”
“Red Blob Games has quite a few S-tier posts”
“red blob games is a treasure”
“Redblobgames has a great series of posts about creating good labels for maps”
“an interested collection of articles on algorithmic concepts you might want to know for writing games”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.