
systemInPain
Build and scale systems in an interactive simulator to learn system design.
@echo_muss · X
Learn system design Try
The full gallery
Tech stack
21 projects

Build and scale systems in an interactive simulator to learn system design.
@echo_muss · X
Learn system design Try

Generate playable retro games from descriptions, then publish, share and remix.
@describegames · X
We are seeing so many games on the timeline built with Claude Fable But what happens on July 7 when Fable becomes too expensive for most people, and everyone still wants to build cool AI games? is your answer.

AI-powered English learning game where kids photograph their schedule to generate vocabulary lessons through animal villagers.
@lzhgus · X
My kid goes to an English-only school in the US, but we speak Chinese at home. So I built her a tiny Animal Crossing-style island to learn English 🏝️ Snap a pic of the teacher's daily schedule → AI turns it into a lesson pack → she learns words from animal villagers, shakes apple trees, goes fishing 🎣 100% hand-written Three.js, zero assets, no backend. Try it:

Upload PDFs and videos to build a visual knowledge map, then chat with an AI research assistant.
allybahaei · HN
Bring all your sources into a visual space, ask questions with full context, branch LLM conversations, and go deep on YouTube videos / research papers to build your knowledge canvas.

Real-time 3D visualization of SKHYNIX orderbook on Hyperliquid
circlehotarux · V2EX
做了个海力士订单簿的 3D 游戏战场 https://skhx-battlefield.incircle.dev/ 灵感来源: https://x.com/realcryptoboost/status/2076920079305113938?s=20 看着灵感来源后想着最近自己有在关注海力士,就用 GPT-5.6 Sol 复刻了一个。一开始 AI 让我去找韩国股市的 API ,后面想着 Hypeliquid 24 小时都有交易,而且 API 免费就直接让 AI 去接入了。做着来玩,欢迎大家给点反馈。

Generate AI fantasy maps, dungeon plans, and world maps for games and worldbuilding.
FantasyGen — AI 生成奇幻地图和人物

Check the current moon phase and explore the interactive 3D sky.
@tahabahrami · X

Animate photos into videos with AI-generated motion effects.
Photo Animate AI — 利用人工智能动画技术,将静态照片转化为动态、逼真的视频

React library with 60+ scroll-driven section transitions for modern websites.
@itz_sayan_03 · X
Ever wondered how cinematic scroll-driven websites are built? 👀 Meet SectionFlow—an open-source React library with 60+ ready-to-use section transitions, a one-command CLI, reusable sections, and optimized performance. 🚀