Ranklet
A daily deduction puzzle: rank five real cities
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Five real cities. A handful of clues that are all true. Exactly one order that satisfies them. Ranklet gives you one deduction puzzle a day. Rank the cities by area, population, latitude or another real attribute, and there is never anything to guess.
PH · launched Oct 31, 2026 · 1 upvote (top 67%) · 0 views
Niche: browser puzzle games · 310 launches, 26 in the last 7 days ▼ -7% · Explore this niche →
Category and tags
- Media & entertainment
- B2C
- Not AI
- Hobby / open-source project
- Android
- Puzzle Games
- Free Games
Visit website ↗ Source listing ↗
More like this: all 310 launches in browser puzzle games →
Could you build this?
Yes The UI is simple and the core is a puzzle generator that picks city attributes from public data and uses a constraint solver to confirm each puzzle has exactly one solution. Both are well within reach of a vibe-coded project.
Competitors
Other products that read as similar to this one : 206 launches clear the similarity bar, closest 8 shown.
Attention rank: #118 of 207 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 365 days after the earliest competitor.
- Perfect Rank · ph · 2026-10-30 · 1 upvotes · similarity 0.52
- Spot the City — Landmark Quiz · ph · 2026-09-26 · 1 upvotes · similarity 0.50
- GeoDay · ph · 2026-10-20 · 2 upvotes · similarity 0.46
- RankLocal - Rank higher on Google Maps. · ph · 2026-10-03 · 1 upvotes · similarity 0.46
- DailyMetro · ph · 2026-10-25 · 2 upvotes · similarity 0.44
- Ranking Trivia Quiz · ph · 2026-10-22 · 1 upvotes · similarity 0.44
- Chainlet · ph · 2026-11-04 · 1 upvotes · similarity 0.44
- GeoStats · ph · 2026-09-23 · 1 upvotes · similarity 0.44
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.