試作 · shisaku — trials & prototypes

Apps & Experiments

Forensics to fiction, and most things in between: a full forensic workbench, binaural audio, teletext-style interactive fiction, procedural simulators, puzzle solvers and developer tools. Most run entirely in the browser.

DarkMatter

A project and task manager designed with an ADHD mind in view: Focus Mode, a smart daily planner, a workload heatmap, a rescue flow, and recurring tasks with burnout-aware spacing.

Try it live →

BlackWall

A WebAuthn-only OAuth 2.1 and OIDC server with PKCE, multi-tenant architecture, JWT and opaque tokens, named privilege levels, audit logging, introspection, revocation, rate limiting and a user portal.

Visit BlackWall →

Leviathan — Forensics Suite

A full browser-based forensic workbench: file analysis, metadata extraction, hash verification, string extraction and structure analysis. No server, no upload.

Open the workbench →

Binaural Beats Lab

A browser tone generator with frequency presets for focus, rest and sleep. Headphone-friendly, with nothing to install.

Open the lab →

Mode 7

A teletext-inspired interactive-fiction engine: character-cell aesthetics, an atmospheric tone and branching narrative.

Enter Mode 7 →

Audiodrome

Encode a picture into sound, then read it back as a spectrogram. Paint with frequency; listen to the image.

Open Audiodrome →

Sudoku

Build boards by hand, generate puzzles, check solutions, or let the solver work through them. Constraint propagation and backtracking under the hood.

Play sudoku →

Shikaku · 四角に切れ

A quiet Japanese logic puzzle — divide the grid into rectangles, each holding one number equal to its area. Generator, solver and three sizes.

Play shikaku →

Wordle

Six attempts. One word, drawn at random from a British English dictionary. Take your time — there is no clock.

Play wordle →

Deep Drill

A seed-based procedural mining simulator. Drill ever deeper through generated strata, manage your rig and chase the rare seams.

Start drilling →

Aurora Point

An educational, fictionalised nuclear-station systems simulator. Simplified models and approximate values — no real procedures.

Run the reactor →

Identity Generator

Generate fictional identity records for testing, seed data, QA and demos. JSON and CSV API, all in the browser.

Generate identities →

Unity Save Editor

Open Unity BinaryFormatter (.save) and JSON saves, edit them visually or as raw JSON, and download a clean round-trip. Stays in your browser.

Open the editor →