Island Three
An explorable O'Neill cylinder in the browser
1 ratings4.41
Saves7
CategoryEducation
PlatformWeb
PricingFree
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Island Three is a browser-based, explorable simulation of an O'Neill cylinder, a space habitat design. It allows users to walk through a virtual representation of this space colony concept.
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Information
CategoryEducation
PlatformsWeb
PricingFree
AccountNot confirmed
ListedOctober 2026
WebVisit
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Mobile PageSpeed
Automated checks of the public website by Google Lighthouse 13.5.0. Scores can vary between runs.
Checked Oct 24, 2026
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- Performance
- 98 out of 100, Good
- Accessibility
- 100 out of 100, Good
- Best Practices
- 100 out of 100, Good
- SEO
- 100 out of 100, Good
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