A public explainer — no account needed

What is The Human Brain App?

One honest answer, for the whole world. Built by one builder — Steve Estrada — with his brothers in mind, for anyone who wants their software to tell them the truth.

The short answer

The Human Brain App is one giant, growing platform where a single builder has been turning his ideas into working software — neuroscience-inspired brain labs, honest research tools, playable games, a 3D trade school, a solar company, a coding school, free public utilities, and more — all held to one rule that gives the whole project its spine: no fibs. Nothing pretends to be more than it is. Not the science, not the games, not the numbers on this page.

The size of it, honestly counted

These are not marketing numbers. They were counted directly from the codebase on September 11, 2026 — files and routes, one by one. A living app changes daily, so treat them as a snapshot, not a promise.

572

Pages & routes

counted in the router

138

Data types

entity schemas on disk

134

Backend functions

server-side, counted

257

Engine modules

simulation & logic code

166

UI components

reusable, counted

15

Shared modules

server logic reused

4

Automations

scheduled workflows

1

Builder

with AI teammates

The one rule

No fibs — the method, not a slogan

Grade every claim. Research pages cite primary sources. Every lab explains exactly what it measures and what it doesn't. Where the builder's own theory of everything is graded, two of its claims are marked "not supported by science" — by his own app, and he kept both verdicts.

Label everything invented. Games are games. Ads are staged comedy. AI art is AI art. Procedural butterflies are "set dressing, not simulated life" — stated in plain words on the same screen.

Give the receipts. Compression labs report real measured bytes. Citation labs link to the primary sources. The oldest surviving answer to "where do we come from?" — the Rig Veda's "Who really knows?" — is quoted on this app's own origin page as the spiritual ancestor of its honesty rule.

What's real, what's invented, what's decoration

Everything on the platform falls into one of three honest buckets — and the app says which.

Real & verifiable

Computed, measured, or cited — and checkable by you.

  • Deterministic physics labs that replay bit-for-bit and prove it with hashes
  • Compression tools reporting actual byte counts, per image
  • Historical reference pages quoting primary sources with citations
  • Inventory math run on your own entered costs — never guessed
  • Free browser tools with zero tracking, and the receipts to show it

Honest limit: 'measured' means measured in your browser or from cited sources — the app never overstates what a measurement covers.

Invented on purpose

Made up, labeled, and proud of it.

  • Games — Kelproot, arcades, 3D worlds — built to teach through play
  • The Theory of Everything — a parable, graded as one
  • Ad characters and comedy campaigns — staged fiction, never real people
  • Story beats and ceremonies in the games — scripted, by hand

Honest limit: 'invented' isn't a criticism — it's the label. The fun is real; the claims are labeled before they're made.

Set dressing

Beauty and atmosphere, honestly named.

  • AI-generated art and videos across studios and posts
  • Procedural creatures — butterflies, fish, jellyfish — looping fixed paths
  • Golden-hour lighting, bloom glow, and shader wind — aesthetic curves
  • Golden-hour visuals chosen for warmth, labeled as a design choice

Honest limit: the app tells you, on the same screen, that the jellyfish don't think and the wind isn't weather. That's the rule.

The grand tour — what's inside

Eight neighborhoods of one platform. Every card links somewhere real.

The Human Brain App itself

Self-experiment labs for attention, memory, sleep, decision-making, and more — browser-based drills with honest labels separating them from clinical instruments, so you can measure yourself without a lab coat.

→ Visit Brain HQ

Research & the theory

A builder's theory of everything — cross-referenced against deterministic labs, graded claim by claim — plus verifiable historical reference pages and an honest comparison of the story against humanity's oldest origin texts.

→ See the theory, graded

Games & worlds

Dozens of playable games — retro arcades, marble runs, Kelproot's genomic forest, 3D towns to walk — each one teaching something real through play, each one honest about what's simulated.

→ Browse the games

NoTown trade school

A 3D town with a real electrical curriculum inside — NEC drills, load calculations, quizzes — built as a free trade school for anyone who wants to learn a trade.

→ Visit the school

Business & operations

A working e-commerce operation — inventory, eBay sync, draft listings, cycle counts, real fee and margin math — running the actual marble and mug business.

→ See the inventory system

The solar company

A modern solar energy venture with materials-science research, grid simulations, and payback math — grounded in cited research, labeled where projected.

→ Visit the solar company

Public goods

Free browser tools and games published outside the paywall — no account, no uploads, no tracking — from photo compression to CSV comparison to a kids' learning lab.

→ Open the free shelf

Honesty utilities & outreach

A no-fibs coding school, a victims' outreach resource page built to help without tracking, and the honesty labs that grade the rest of the app — including its own builder.

→ Visit the coding school

What it can't do yet — said plainly

  • Every mall panel plays its own generated loop — but they are silent, 8-second AI clips by design, not full showcases.
  • The 3D towns now have touch joysticks and audio unlock — but mouse + keyboard is still the smoothest way to play.
  • Browser-generated video files don't always survive TikTok's upload validation.
  • The brain labs are self-experiments, not medical instruments — the app says so on every lab.
  • The Theory of Everything carries refuted and untestable verdicts of its own, kept on display.
  • It's built by one person with AI teammates — some corners are rougher than a team would leave them.

A project that lists its own flaws on its front-door explainer is making a promise: the flaws are on the record, and so is the work to fix them.

So — what is this?

It's one builder's answer to a question most software never asks out loud: what if everything you made told the truth about itself? Hundreds of pages, labs, games, and tools later — every claim graded, every invention labeled, every flaw listed — the answer keeps looking better. Come take anything you need from it. It's free where it can be, honest where it can't be anything else.

No Fibs — about this explainer itself

Every number on this page was counted directly from the codebase on September 11, 2026 — routes and files, not estimates — and a living app means they shift daily. "572 pages" does not mean 572 polished products: many are small tools, works in progress, or builder-only utilities, and this page is an honest map, not an advertisement. The three buckets (real, invented, set dressing) are the builder's own labeling scheme, applied by the same judgment that grades everything else here — a consistent method, not an external audit. "One builder" is true of the authorship; the platform, AI models, and hosting are provided by Base44. This page is public on purpose: anyone should be able to see what this is without an account — which is also the honest way to explain anything.