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Show HN: Emergent – Artificial life simulation in a single HTML file

https://emergent-ivory.vercel.app/
2•usernameis42•2h ago
I built an artificial life simulator that fits in one HTML file (~1400 lines ~50KB) with Claude Opus 4.6, interestingly, I didn't even ask it to build the game itself, I've requested to create the software that didn't exist before and not use any dependencies, third-party libraries or ask questions.

Firstly Opus 4.6 made photoshop clone that barely worked, but had nice and neat UI with all common features for the image editor, then I've called that crap and asked to really build someting that wasn't there, it made Emergent there. Please check it out and tell what you think, of course it's a Game of Life in a nutshell, but look at the rest of the UI, game stats, and other features like genome mutation and species evolvement.

Features: - Continuous diet gene (0–1) drives herbivore/carnivore/omnivore specialization - Spatial hash grid for performant collision detection - Pinch-to-zoom and tap-to-feed on mobile - Real-time population graphs, creature inspector, and event log - Drop food, trigger plagues, cause mutation bursts

Amazes me in some kind of a degree, going to continue dig into the abyss of the vibes :)

Show HN: A custom font that displays Cistercian numerals using ligatures

https://bobbiec.github.io/cistercian-font.html
13•bobbiechen•3h ago•0 comments

Show HN: I created a Mars colony RPG based on Kim Stanley Robinson's Mars books

https://underhillgame.com/
138•ariaalam•8h ago•53 comments

Show HN: IsHumanCadence – Bot detection via keystroke dynamics (no CAPTCHAs)

https://github.com/RoloBits/isHumanCadence
4•frankLopez•1h ago•2 comments

Show HN: It took 4 years to sell my startup. I wrote a book about it

https://derekyan.com/ma-book/
190•zhyan7109•4d ago•61 comments

Show HN: LocalGPT – A local-first AI assistant in Rust with persistent memory

https://github.com/localgpt-app/localgpt
313•yi_wang•1d ago•146 comments

Show HN: Emergent – Artificial life simulation in a single HTML file

https://emergent-ivory.vercel.app/
2•usernameis42•2h ago•0 comments

Show HN: Poisson – Chrome extension that buries your browsing in decoy traffic

https://github.com/Daring-Designs/poisson-extension
2•daringdesigns•3h ago•0 comments

Show HN: WrapClaw – a managed SaaS wrapper around Open Claw

2•kushagraagent•4h ago•2 comments

Show HN: Filtron – parse human-friendly filter strings into structured queries

https://filtron.dev/
3•jbergstroem•5h ago•0 comments

Show HN: Envon - cross-shell CLI for activating Python virtual environments

https://github.com/Userfrom1995/envon
2•userfrom1995•5h ago•0 comments

Show HN: Fine-tuned Qwen2.5-7B on 100 films for probabilistic story graphs

https://cinegraphs.ai/
86•graphpilled•14h ago•20 comments

Show HN: SendRec – Self-hosted async video for EU data sovereignty

https://github.com/sendrec/sendrec
3•alexneamtu•7h ago•1 comments

Show HN: Elysia JIT "Compiler", why it's one of the fastest JavaScript framework

https://elysiajs.com/internal/jit-compiler
6•saltyaom•15h ago•0 comments

Show HN: Smooth CLI – Token-efficient browser for AI agents

https://docs.smooth.sh/cli/overview
105•antves•3d ago•71 comments

Show HN: A luma dependent chroma compression algorithm (image compression)

https://www.bitsnbites.eu/a-spatial-domain-variable-block-size-luma-dependent-chroma-compression-...
56•mbitsnbites•4d ago•9 comments

Show HN: Hivewire – A news feed where you control your algorithm weights

https://hivewire.news
3•bchaps•8h ago•2 comments

Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
323•isitcontent•2d ago•40 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
89•phreda4•2d ago•17 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
389•eljojo•2d ago•225 comments

Show HN: Kappal – CLI to Run Docker Compose YML on Kubernetes for Local Dev

https://github.com/sandys/kappal
49•sandGorgon•3d ago•28 comments

Show HN: I saw this cool navigation reveal, so I made a simple HTML+CSS version

https://github.com/Momciloo/fun-with-clip-path
134•momciloo•1d ago•35 comments

Show HN: Bhagavan – a calm, approachable app for exploring Hinduism

https://www.bhagavan.io
4•AkhilSonthi•9h ago•0 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
382•vecti•2d ago•175 comments

Show HN: Artifact Keeper – Open-Source Artifactory/Nexus Alternative in Rust

https://github.com/artifact-keeper
163•bsgeraci•2d ago•66 comments

Show HN: Readability API – Unrender

https://unrender.page/
3•zintus•11h ago•1 comments

Show HN: Claude Code skill that uses Codex as MCP server for code review

https://github.com/pauhu/claude-codex-review
4•pauhu•12h ago•0 comments

Show HN: BioTradingArena – Benchmark for LLMs to predict biotech stock movements

https://www.biotradingarena.com/hn
33•dchu17•2d ago•14 comments

Show HN: A sandboxed execution environment for AI agents via WASM

https://github.com/Parassharmaa/agent-sandbox
2•paraaz•13h ago•0 comments

Show HN: Slack CLI for Agents

https://github.com/stablyai/agent-slack
59•nwparker•3d ago•14 comments

Show HN: Curated list of 1000 open source alternatives to proprietary software

https://opensrc.me
5•ZenithSoftware•13h ago•0 comments