KimeigaHakan Alpay
← Selected work

All projects.

The complete archive: products, independent games, language tools and earlier experiments. The homepage is the edited selection; this is everything behind it.

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Selected work

The projects featured on the homepage.

  • Sehyo

    Products

    A social network built around conversation.

    Full-stack · Product · Infrastructure

    SvelteKit 5 + TypeScript · Cloudflare D1 · R2 · KV · OAuth + guest sessions · Cron + Workers AI · E2E encrypted DMs

  • Kiokun

    Products

    Connected Chinese, Japanese and Korean dictionary.

    Full-stack · Data engineering · Product design

    SvelteKit frontend · Rust data pipeline · OpenCC alignment · 23 CDN-sharded data repositories

  • ACM at UCLA

    Design

    Complete rebrand, visual identity and websites.

    Brand identity · Design · Web

    Original brand identity · Committee logo family · Websites · Brand guidelines

  • Kimu

    Games

    An emoji MMO on the real New York City map.

    Full-stack · Realtime · Game design

    Realtime multiplayer state · Geospatial interaction · Canvas rendering · Real-world map as game state

  • Bahunya

    Design

    Classless CSS for semantic HTML.

    CSS · Open source

    Classless CSS · Semantic HTML · Open source · Drop-in styling

  • Sipoga

    Games

    5v5 and 1v1 tactical multiplayer FPS.

    Game design · Multiplayer

    5v5 matches · 1v1 matches · Tactical FPS

  • Perfect Web

    Research

    Research into a compiler-checked web platform.

    Web platform research · Architecture · Systems

    45 executable corpus cases · 4 measured feasibility spikes · 10 architecture decision records · Koka · Marko · Wasmtime · Streaming/resumption and capability research

  • EASI

    Research

    An experimental equality index across 169 countries.

    Data analysis · Modeling · Visualization

    169-country dataset · Statistical normalization · Multi-source data pipeline · Interactive visualization

  • Emoji Mahjong

    Games

    Mahjong, but matched by meaning.

    Game design · Full-stack

    Multiplayer state · Semantic-tag rules · Responsive game UI

  • Hanzi Game

    Games

    Build Chinese characters from their recursive component parts.

    Rust · Language data · Game design

    92k HSK words · 27k decompositions · 580 leaf components · Rust data generator

More projects

Further products, tools, games and work in progress.

  • Humanize

    Research

    Research-backed tools for less machine-like writing.

    Research · Python · Evaluation

    StoryScope reproduction · SpecScope pilot · 94.9% macro-F1 reproduction · Claude · Codex · Cursor skills

  • Kairen

    Tools

    A language I created.

    Language design

    Language design · Original identity

  • LevelSpec

    Games

    A compiler from floor plans to game geometry.

    Compiler design · Geometry · Game tooling

    About LevelSpec

    Private project

    A deterministic compiler that turns semantic floor plans into valid game geometry.

    • 380 floor plans
    • 11 compiler passes
    • 0 intersecting volumes
    • 100% reachable navmeshes

  • Descent

    Games

    A roguelike shooter for your phone browser.

    Game design · WebGL · Systems

    About Descent

    Private project

    A phone-browser roguelike shooter built on 380 compiled floor plans.

    • 380 compiled maps
    • 427 generated weapons
    • Procedural Web Audio
    • Seeded shareable runs

  • Webstrike

    Games

    A tactical browser FPS with online multiplayer.

    Game systems · Three.js · Multiplayer

    About Webstrike

    Private project

    A CS-style browser shooter with bomb defusal, economy, bots and online multiplayer.

    • Isomorphic TypeScript simulation
    • 32 Hz authoritative server
    • WebRTC multiplayer
    • BVH collision

  • Superfighters

    Games

    A browser fighting game with local, online and mobile play.

    Game design · Multiplayer · Web

    Geckos.io/WebRTC · Host-authoritative simulation · Snapshot interpolation · Mobile PWA controls

  • Shibuya FPS

    Games

    Explore a large Shibuya scene in your browser.

    Three.js · Asset pipeline · Performance

    About Shibuya FPS

    Private project

    A first-person browser walkaround of a large Shibuya environment.

    • Streamed meshopt GLB chunks
    • LOD coverage
    • Baked lightmaps
    • Unity navmesh export

  • NT Web

    Games

    A browser FPS prototype with streamed maps.

    Three.js · Multiplayer · WebRTC

    About NT Web

    Private project

    An FPS prototype with a large streamed map, mobile controls and multiplayer relay.

    • MeshBVH collision
    • Capsule controller
    • Geckos.io multiplayer
    • Cloudflare/VPS routing

  • Gallax

    Games

    A world-map game of gathering and building.

    Mapbox · PixiJS · Multiplayer

    Mapbox GL · PixiJS · H3 spatial indexing · Geckos.io

  • Reel Translator

    Tools

    Japanese video OCR and subtitle generation.

    Python · Video · OCR

    yt-dlp · Frame extraction · OCR engine comparison · SRT generation

  • Özcük

    Products

    A Turkish dictionary that understands inflected words.

    Full-stack · Data · Linguistics

    SvelteKit application · Morphological analysis · Dictionary data pipeline · Cloudflare deployment

  • Driiiift

    Games

    A minimalist browser drift game.

    Game design · Web · Graphics

    Three.js rendering · Custom vehicle physics · Per-frame collision · Mobile-first controls

  • HKOS Trainer

    Games

    Learn Hong Kong Old Style mahjong by playing it.

    Game design · Web · AI

    Game-state engine · AI opponents · Teaching recommendations · Offline PWA

  • WestwoodCSS

    Design

    A CSS framework experiment focused on strong defaults and simple markup.

    CSS · Design systems

    CSS · Design tokens · Semantic markup

  • Drop-in Minimal CSS

    Design

    Minimal stylesheets for plain HTML.

    CSS · Web design

    Minimal CSS · Classless styling · Theme experiments

  • Luzhanqi

    Games

    A browser implementation experiment around the Chinese board game Luzhanqi.

    Game design · Web

    Game rules · Web

  • Turkish Conjugator

    Tools

    A Turkish verb-conjugation tool.

    Turkish · Linguistics

    Turkish morphology · Conjugation

  • Billiards Club

    Products

    A web product built around billiards players and clubs.

    Full-stack · Social

    Full-stack web · Community product

  • Events at UCLA

    Products

    A campus event-discovery project for UCLA.

    Web · Events

    Events · UCLA · Web

  • Storymaker

    Tools

    A browser tool for constructing stories.

    Creative tools · Web

    Creative tooling · Web

  • Tichat

    Products

    A realtime chat application experiment.

    Realtime · Chat · Web

    Realtime · Chat · Web

  • Paddaddy Map

    Products

    An interactive map application experiment.

    Maps · Web

    Maps · Web

  • Color Museum

    Design

    A small web experiment about color.

    Design · Web

    Color · Web design

  • Rhymedime

    Tools

    A rhyme and language experiment.

    Language · Music · Web

    Rhymes · Creative tooling

Language tools & predecessors

Presented together under Kiokun on the homepage. Original projects and source remain here.

Early experiments

Small studies and earlier work, kept for completeness rather than featured as finished products.

  • Turkish Sentence

    Tools

    The same small reading tool, in Turkish.

    Tool

  • Sveltefire

    Tools

    An early Svelte/Firebase integration experiment.

    Svelte · Firebase

  • Aioaio

    Tools

    An experimental web application from the Kimeiga archive.

    Web · Experiment

  • Spanish Sentence

    Tools

    Random Spanish sentences for repeated reading practice.

    Spanish · Reading

  • Squadup

    Products

    A social/group web application experiment.

    Full-stack · Social

  • Drehealth

    Products

    A health-oriented web product experiment.

    Web · Health

  • Qwenti

    Products

    A compact product experiment from the archive.

    Web · Product

  • Consoa

    Products

    An experimental web product.

    Web · Product

  • Ruumii

    Products

    A small web product experiment.

    Web · Product

  • Evie

    Products

    A web application from the Kimeiga project archive.

    Web · Product

  • United States of Air

    Research

    An early data visualization project.

    Data · Visualization

  • Gunblur

    Games

    A larger game project from the Unity-era archive.

    Game design · Unity

  • Large Royale

    Games

    A large-scale game experiment.

    Game design · Unity

  • Crimson Space

    Games

    A space-game experiment from the archive.

    Game design · Web

  • HotoSurvive

    Games

    A survival-game project from the archive.

    Game design

  • Programmers FPS

    Games

    An early first-person-shooter prototype.

    Game design · FPS

  • Minimalist Shooter

    Games

    A minimalist shooter prototype.

    Game design · FPS

  • Color Ships

    Games

    An early color-and-ships game experiment.

    Game design

  • Crystal Ricochet

    Games

    A ricochet-focused game experiment.

    Game design

  • Marbles Game

    Games

    A small marbles game experiment.

    Game design · Web

  • Nuclear Hone

    Games

    A game project from the archive.

    Game design

  • Babygirls: The Game

    Games

    An early game from my archive.

    Game design