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

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

Play a collection of HTML5 games online directly in your browser.
Games Hub — HTML5 游戏集合站点

Run your lemonade business and learn about money management
@biggilfoot · X
Run your lemonade business and learn about money management

A virtual pet that appears in your browser and responds to the content on each page you visit.
@fujidevv02 · X
the world's first context-aware, local AI browser pet companion!

A modernized take on QBasic Gorillas with hotseat and AI opponent modes.
TonyAlicea10 · HN
QBasic Gorillas (Repeeled)

Design and simulate chemical processes with AI assistance for education and research.
@IbehOmodolor · X

Interactive creation built with Poof during Hack4Futo vibe coding competition.
@Sonnisbethel · X
Hey guys, here’s my build for the @Hack4Futo vibe coding track 2026 using @poofnew as my build engine.

Practice parallel and reverse parking in a free 3D browser simulator.
Parking Practice — 免费在线3D停车模拟器,练习平行泊车和倒车入库,提供实时指导和反馈

AI models compete head-to-head in slime soccer matches.
cshdllr · HN
I had models play Slime Soccer against each other

A browser game that turns text selection frustration into a peaceful puzzle challenge.
@PreciseAccident · X
I turned one of the most frustrating mobile experiences into a tiny browser game. When the world's most frustrating text selection meets peaceful words.

Create interactive games, polls, and quizzes with AI for presentations and events.
u/molefrog · Reddit
create multiplayer apps that you can play with friends or share with coworkers. Like Slido/Kahoot but you can create your own one with AI. It can build polls, quizzes or games. had this idea for a while, the space isn't new and there is apps like Kahoot that presenters or educators use for polling/quizzes. however the templates are limited, so I decided to ship my own vibe-coding IDE for generating these. you just describe it for example "noise meter: people scream at their phon

Free browser games that teach Mac keyboard shortcuts through gameplay, no download or signup needed.
@EjCruz77 · X
Just launched Keyverse — a free browser game that teaches you Mac keyboard shortcuts by playing, not memorizing. No install. No signup. Just open and train. #buildinpublic #indiedev #macOS