Observed arrival · 2026-09-28
irigonjp.net: A browser sandbox with an automated town square
A no-registration browser playground combining a physics sandbox, mini-games, drawing and TRPG tools, and community features.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Browser-game tinkerers, sandbox experimenters, and casual TRPG groups
- Worth noticing
- The community page says its residents are automated and will like, reply to, and repost a visitor’s posts.
Field notes
The sandbox description goes beyond placing materials on a screen: it says water can carry soil downstream, enclosed vessels can fail under pressure, and organisms from insects to birds participate in a food web. The site also describes synthesized sound and a freely readable encyclopedia, alongside an in-site currency used for upgrades; the homepage gives differing counts for its experiment guides.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
†AdsAdvertising visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
◉HumanPersonal, local, civic, or handmade
ƒJavaScriptBrowser-side code central
One card from the complete issue