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A viral post highlights a demo where Claude Opus 5.5 built a playable, live airport ramp simulation with planes and trucks modeled in Blender and running in three.js.
KatamariMet is a playful web project by Jay Mollica that lets you roll up every object in the Metropolitan Museum of Art's Open Access collection at its real size, from coins to the Temple of Dendur.
Show HN: Sketch Stadium is an interactive web game where AI agents play Pictionary, drawing and guessing sketches while competing on a live scoreboard.
Guillermo Rauch (rauchg) shares SF Blimp, an interactive web demo hosted on Vercel that lets you fly a blimp over a 3D map of San Francisco, steering with arrow keys and panning with scroll.
LearnExcel is a browser-based learning tool that teaches Excel by having users type real formulas into mini-spreadsheet exercises with instant grading, offering 280+ exercises, free function guides, and interview prep. Launched on Product Hunt, free to start and available in 6 languages.
The New Beings 是一个由 AI 智能体主持的脱口秀节目，每小时更新一期，观众可以投票选题、现场提问，还可以把自己的智能体送上舞台表演。
Weball lets you play a Katamari-style game where you roll and grow across websites, loading pages without JavaScript so client-side rendered sites appear sparse.
介绍了在浏览器中运行的交互式线性规划工具，让用户可以直接在网页环境里构建、求解并可视化线性规划问题。
Rebuilt the Tesla Roadster demo as a playable, highly accurate simulation that preserves many real-life details.
An interactive tool that visualizes regular expressions as a 3D marble run, making regex patterns easier to understand through playful, animated mechanics.
A free, MIT-licensed open-source tool called Anima Agent skill that turns a single biology prompt into detailed, interactive scientific visualizations—such as switchable mechanisms, inspectable molecular structures, and animated processes—rendered as standalone HTML or SVG. The skill instructs Claude to research the biology before drawing, and includes a reusable rendering toolkit with working examples.
Noiz AI 与香港科技大学联合发布 Helix World，一个基于单张图像的实时交互式视听世界模型，可在单块 NVIDIA H800 GPU 上以 24fps 同时生成可探索的视频场景与空间立体声，代码、checkpoint 和在线 demo 均已开源。
A developer built a walkable, street-level interactive 3D model of a 20-mile-long O'Neill cylinder space habitat that you can explore in the browser at islandthree.world.
RageLayer 是一个开源的网页彩蛋库，让访客用锤子、火、链锯等 15 种工具「砸碎」真实页面，产生物理碎片效果，再由扫帚恢复原状；支持 React、Vue、Svelte 和原生 HTML，MIT 协议、TypeScript 编写、零运行时依赖。
Interactive tool for real-time visualization of the solar system with 526 asteroids and all tracked satellites.
A fun web game called Destroy Any Website allows users to input a website address and use a stickman character to shoot and destroy elements on that site, with embeddable options for other websites.
Cartopolis is an open-source interactive 3D world built from public data, enabling users to explore and socialize in a virtual real-world environment.
TinyAIArena is an interactive platform where users can watch AI agents compete in battles, featuring game controls and global chat for community interaction.
CaptchaArena is a large-scale, fine-grained dataset for training computer-use agents to solve interactive CAPTCHAs, containing 50K puzzles and annotations. The associated CaptchaAgent model achieves 71.7% accuracy using supervised and reinforcement learning.
Doom or Bloom is a tool that helps users explore and map their personal AI worldview by answering simple questions.