
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

Score penalties past a keeper in this five-round arcade shootout.
@mark_ssesa9683 · X
Check out what I just built with Lovable!

Multiplayer game combining chess strategy with dice rolling mechanics in fast-paced skirmishes.
@z3roshot · X
Made up a game where chess meets dice: roll, shop, secretly place, fight. ⚄ Same deterministic engine runs the bots and the humans. Server-authoritative so nobody can peek at your hidden pieces. Built with Claude Code. Read more

Realtime multiplayer strategy game with dice-driven economy, secret placement, and tactical combat.
@z3roshot · X
Made up a game where chess meets dice: roll, shop, secretly place, fight. ⚄ Same deterministic engine runs the bots and the humans. Server-authoritative so nobody can peek at your hidden pieces. Built with Claude Code. Read more

Test your prompt injection skills against AI agents in an interactive competitive challenge.
ibrahim_abdu777 · HN
We are giving away $100K > over the next 12 months to hack AI agents

Hunt targets with a bow in an arcade-style game.
@spt4d · X
Deployed the 16 games built with Codex and GameBlocks. A few examples: Most of my time is actually spent shaping the player experience. Many ideas emerge through playing and exploration rather than from the initial design — the loop seems to be build → play → discover → improve. Is it possible to build an agent harness that supports this discovery loop — not just one that optimizes against a predefined spec? Full game list:

Play a browser-based game about conquering the world.
pzxc · HN
I've been using AI (mostly Claude, a little Cursor) to make video games, publishing a new one every day, for over 2 months Today's game is a simplified Risk clone called World Domination. Happy to answer any questions, would love any feedback!

Play chess online or against AI, with mini-games deciding every capture.
@GeorgeGognadze · X
Hi, I’m building the new chess version where mini games decide the capture @dualchess

Multiplayer drawing guessing game you can play instantly in your browser with friends.
DoodleGuesser — 免费在线画图猜词派对游戏,创建房间分享链接与朋友即时畅玩,实时画图猜词,自动计分轮换,无需下载注册

Play 7 Takes, a card game of nerve and memory, against an AI dealer.
u/termicrafter16 · Reddit
A friend taught me a Slovenian card game two days ago. GPT-5.6 Sol helped me turn our argument into an AI opponent. Two days ago, a friend taught me Sedmice, a traditional card game we play in Slovenia. The rules are simple, but we quickly got into an argument about the best moves. Naturally, I decided the reasonable way to settle it was to build an AI opponent. I wrote out the rules, project specification, architecture, and implementation details, then handed the logic to GPT-5.6 Sol. Ab

Free unblocked browser shooting game with arcade-style action.
Funny Shooter 2 — enjoy unblocked shooting games for free! Dive into exciting gun games with funny shooting action. Perfect for shooter game fans!

Play thousands of free browser games instantly without registration or downloads.
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