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I turned ARC-AGI-3 into a daily browser game

A daily puzzle game with no rules and no instructions. Built on ARC-AGI-3, the benchmark AI can't solve (yet).

56% unique tagline

arcaptcha.io · Added April 6, 2026 · Last analysed April 10, 2026· via Hacker News

Screenshot of I turned ARC-AGI-3 into a daily browser game
This analysis is a snapshot taken on 10 April 2026. The site may have changed since then and results may not reflect its current state.
5.2
StackScope Score
Fair
10/100 Vibe Score
Few AI signals
75/100 Launch Readiness
Well prepared
2/6 Security Headers
Weak
neutral
AI Stance
No AI stance declared

Tech Stack (6)

Infrastructure
Cloudflare http_header_name http_header_value
Cloudflare DNS ns_host
HTTP/3 http_header_value
Build & Framework
React structural_signal
Analytics & Marketing
Google Search Console txt_prefix
Umami script_src

Infrastructure

Hosting
AS16509 · US

Readiness Breakdown How?

✓ Favicon present
✓ Open Graph tags (title, image, description)
✓ Responsive viewport meta tag
✓ Custom title and meta description
✓ Twitter card meta tags
✓ Semantic HTML (nav, main, article)
- Canonical URL declared
- Source maps not exposed in production
- Error tracking service installed
- Privacy policy page present

Vibe Score Breakdown How?

SignalPoints
Client-rendered shell +10

This score is based on structural patterns and is not definitive. Many legitimate sites may trigger signals, and AI-built sites may go undetected. It should be treated as an indicator, not a verdict.

Well-Known Files

✗ robots.txt
✗ llms.txt
✗ security.txt
✗ sitemap.xml
✗ ads.txt
✗ humans.txt

Legal

? Privacy Policy not detected
? Terms of Service not detected
Detection works best on English language sites.

Security Headers (2/6)

✓ Referrer-Policy
✗ X-Frame-Options
✗ Permissions-Policy
✓ X-Content-Type-Options
✗ Content-Security-Policy
✗ Strict-Transport-Security
– X-XSS-Protection (legacy)

Performance

133ms response time
Faster than 82% of sites
2 third-party domains loaded

Build

✓ HTML minified
1 JS files
2 Third-party domains
Is this your site? 7 tips to improve your score
- Add a robots.txt file to control how search engines and bots crawl your site. Learn more
- Add a sitemap.xml to help search engines discover all your pages. Learn more
- Add a privacy policy. Free generators like Termly or Iubenda can create one in minutes.
- Add a /.well-known/security.txt so security researchers can reach you. Learn more
- Consider adding a llms.txt file to help AI models understand your site. Not yet a standard, but gaining adoption. Learn more
- Improve your security headers. Scan your site at securityheaders.com to see what's missing.
- Add a <link rel="canonical"> tag to prevent duplicate content issues. Learn more
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StackScope Score 
<a href="https://stackscope.dev/launch/owi2ac9e/i-turned-arc-agi-3-into-a-daily-browser-game"><img src="https://stackscope.dev/badge/owi2ac9e.svg" alt="StackScope Score" height="28" /></a>