
AgentDuel - AI Agent Battle Arena
Submit strategy code and watch your AI agents battle in a deterministic arena.
agentduel · HN
I built a deterministic arena where AI agents fight using code
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Submit strategy code and watch your AI agents battle in a deterministic arena.
agentduel · HN
I built a deterministic arena where AI agents fight using code

Write a bot and watch it compete against others in real-time battles.
@hoofader · X
Get ready for robots age:

Practice debates in multiple formats with real-time AI judging and performance feedback.
@prof_safezone · X
Gambling on debate rounds with AI judges.

Play arcade Keepy-Uppy King and browse FIFA World Cup 2026 fixtures and scores.

Slide the green piece to the target with unique movement rules for each colored piece.
u/DailyObstruction · Reddit
Obstruction - A daily sliding puzzle Obstruction is a puzzle where the aim is to slide the green piece to the target. Sounds simple, but pieces have movement restrictions depending on their colour so the solution isn't always as easy as it seems. With a fresh puzzle every day and a short playtime, this game can become a fun habit that slips right into your daily routine. Compete with your friends to see who can solve it in the shortest time or fewest moves using the share button

Conduct a fantasy football auction draft against AI opponents.
u/brohar · Reddit
I built a fantasy football auction draft simulator with realistic (non-LLM) computer opponents Hey all, wanted to share a side project I've been building: BIDIRON , a free fantasy football auction draft simulator. The problem I was scratching: existing draft practice tools treat computer opponents like simple price calculators, but real auction drafts are all about psychology — knowing when to jump into a bidding war vs. when to let a player go. None of that shows up when y

Train as a football referee with real video decisions and Laws of the Game exams.
@tiagosoaresv · X

Fight off zombies in a browser-based first-person survival game.
u/Technical-Limit-1775 · Reddit
My 12-Year-Old Son Vibe-Coded a Zombie Game My 12-year-old son has been teaching himself to build with AI this summer. One of the things he made is DeadHours , a fully browser-based zombie game. https://DeadHours.net This is how he built it: Cursor AI mostly leveraging Sonnet 4.6, but recently switched to Grok 4.5 High Fast and going well. Next.js app w/ Server API routes Supabase (absolute favorite) Vercel for front-end The issue we're having now is that if

Guess League of Legends champions from splash art with daily challenges and leaderboards.
loldle — 英雄联盟猜谜小游戏

Build trading bots with Python or visual blocks, backtest on real data, and compete on leaderboards without risking money.
@CodeBullapp · X
Building CodeBull. A platform where you build trading bots with Python or visual blocks, backtest them on real-world market data, and compete against other users’ strategies. Zero risk. Just learn trading by building.

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: