
ClaySeal Arena — Prompt-Injection CTF
A capture-the-flag game where you use prompt injection to make AI agents break their rules.
yuvvantalreja · HN
I Built a Capture the Flag Arena for Agents
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A capture-the-flag game where you use prompt injection to make AI agents break their rules.
yuvvantalreja · HN
I Built a Capture the Flag Arena for Agents

A domino game where players match musical note values to play their tiles.
@GergelyIgneczi · X
Check out what I just built with Lovable! This is a music educational game.

Compare Survivor.io game damage calculations and upgrade scenarios with manual ATK, skill, and mitigation inputs.
Survivor.io Calculator — 《弹壳特攻队》伤害与升级计算器,用统一参数比较装备、技能和升级方案

Practice algorithm interview problems with solutions and interactive visualizers.
@Galliard232634 · X
Come study with me on

Learn Python by solving 60 coding challenges in a browser-based editor.
u/Funny-Temporary7465 · Reddit
Built a Python learning platform because I was bored of the existing options Hey everyone, I built PyTutor, a web app to learn Python by actually writing code from the first minute instead of watching videos. 60 challenges across 6 modules, a real Python editor in the browser (runs via Skulpt, no backend needed), a live variable inspector so you can see what your code is doing as it runs, and a certificate at the end. Built it with AI-assisted coding tools, which let me focus more on the


Daily medical diagnosis puzzle game for clinical reasoning practice and exam prep.
Doctordle — 每日医学诊断游戏,包含线索揭示、病例档案及临床推理练习功能,适用于美国医学考试(USMLE)备考与分散式复习

Card stacking PvP auto battler where you face off to survive the winter nights.
@DirlyDev · X
Took Claude code for a gamedev spin made a stacklands async pvp autobattler. Just wanted to test it out. Try it here:

Create visual product requirements documents using a minimalist canvas interface.
@KolhyP92244 · X

Transform Strava runs and rides into shareable 9:16 story cards with custom designs
@aimansarchive · X

Help Tallulah find her way home in this paper airplane-themed puzzle game.
@asredoblado · X
Tallulah's Paper Adventure. Help Tallulah find her way home. #paperairplane #game #webgame #app #vibe #vibecoding #indiegamedev

Complete quests to test Unicity Protocol infrastructure and earn XP.
@77auv7 · X
智能体最缺的不是算力,是底层安全。 @unicity_labs 社区版上线了,专为 AI Agent 打造的模块化 OS,走 Rust 微内核控制权限和成本,不用担心 Agent 乱跑。 尝鲜入口👇 #SphereQuests