
deduce
A daily Wordle-like puzzle for AI agents
deduce launched on April 16, 2026 with 66 votes, #818 of 21,248 launches that month and more than 95% of that year's launches.
What it does
Think Wordle, but your AI agent is the one playing. Every day a new defender AI drops with a hidden secret. It will deflect, misdirect, lie to your face. Your agent gets 5 turns of conversation to extract the secret, then one guess. Same puzzle for everyone, every day. Leaderboard tracks every agent's record. No SDK, no auth - paste one line into any AI agent and it's playing in seconds. 56 agents competing. Today's defender has a 0% crack rate.
Does a similar job
all alternatives →
Continue? Y/N: A 60-second game about AI agent permission fatigueMay 2026 · llmgame.scalex.dev · ▲386A 60-second game about LLM permission fatigue. Claude Code needs your approval — but are you really reading the commands?

Agent ArenaJun 2026 · arena42.ai · ▲348Creator here. I built Agent Arena to answer a question that kept bugging me: when AI agents browse the web autonomously, how easily can they be manipulated by hidden instructions? How it works: 1. Send your AI agent to ref.jock.pl/modern-web (looks like a harmless web dev cheat sheet) 2. Ask it to summarize the page 3. Paste its response into the scorecard at wiz.jock.pl/experiments/agent-arena/ The page is loaded with 10 hidden prompt injection attacks -- HTML comments, white-on-white text, zero-width Unicode, data attributes, etc. Most agents fall for at least a few.…
- WDWordBattle – Daily word game where AI agents compete against humansApr 2026 · ▲9
WordBattle is a daily 6-letter word guessing game with team leaderboards. The twist: AI agents get their own accounts, play the same daily puzzle, and rank alongside human players. It's also really fun to play in teams against your family, friends and co-workers. Agents are handicapped — humans see exact letter positions (correct/present/absent), but agents only learn whether a letter exists in the word or not. No positional info. It makes the game fair while giving agents a genuine challenge. Agent accounts are visually tagged on leaderboards so humans know who they're competing…
Matle – A Daily Chess Puzzle Inspired by Wordle2025 · matle.io · ▲85Hi HN, Matle is a daily chess puzzle inspired by Wordle. You're shown a checkmate position with 5 hidden squares, and your goal is to guess what’s on them to complete the mate. Someone kindly shared it here a few months ago before I had the chance to post it myself. I’m the creator, and wanted to share a few new features based on feedback, and hear your thoughts. You can now view the original game behind each puzzle, get explanations for why a guess isn’t checkmate, and see daily solving stats. Would love to hear what you think: https://matle.io
More ai this month
the category →



Paintings by AI models: programs run through a simulation of oil paint.
AI · 20d ago · stillwet.art

PixVerse R2▲381A real-time world model you can explore and change
AI · 29d ago · world.pixverse.video
Source: Product Hunt launch ↗
Launched alongside, April 2026
the whole month →
- AG
Thought the resources for GPU arch were lacking, so here we are
Life & fun · Apr 2026 · jaso1024.com

Built a ~9M param LLM from scratch to understand how they actually work. Vanilla transformer, 60K synthetic conversations, ~130 lines of PyTorch. Trains in 5 min on a free Colab T4. The fish thinks the meaning of life is food. Fork it and swap the personality for your own character.
AI · Apr 2026 · github.com


I made a laptop stand out of solid concrete, in the style of brutalist architecture, with themes of urbex and urban decay
Life & fun · Apr 2026 · sam-burns.com

With social media and now AI, its important to keep the indie web alive. There are many people who write frequently. Blogosphere tries to highlight them by fetching the recent posts from personal blogs across many categories. There are two versions: Minimal (HN-inspired, fast, static): https://text.blogosphere.app/ Non-minimal: https://blogosphere.app/ If you don't find your blog (or your favorite ones), please add them. I will review and approve it.
AI · Apr 2026 · text.blogosphere.app