# What does PLAYBRAIN Inc. use?

PLAYBRAIN Inc. (playbrain.com) shows public evidence of 13 tools, according to runsonwhat (last checked 2026-10-31).

- Industry: Video Games
- Size: 11–50 employees
- Based in: Shinagawa-ku, Japan
- Founded: 2016
- LinkedIn: https://www.linkedin.com/company/playbrain

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code |  |
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code |  |
| [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records |  |
| [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code |  |
| [Adobe Fonts](https://www.runsonwhat.com/reverse/adobe-fonts) | Media & UI | Website code |  |
| [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code |  |
| [Three.js](https://www.runsonwhat.com/reverse/threejs) | Media & UI | Website code |  |
| [Auth0](https://www.runsonwhat.com/reverse/auth0) | Auth & Identity | Custom domain, Website config |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Squarespace](https://www.runsonwhat.com/reverse/squarespace) | Website & CMS | Custom domain |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code |  |

## FAQ

### What tools does PLAYBRAIN use?

As of November 2026, runsonwhat has found 13 tools at PLAYBRAIN (playbrain.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: Font Awesome, Adobe Fonts and Tailwind CSS. Data & Observability: Google Analytics. Go-to-market: Squarespace. Company Ops: Google Workspace. Last checked October 31, 2026.

### What cloud does PLAYBRAIN run on?

PLAYBRAIN uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on playbrain.com. Amazon Web Services is used by 146,757 companies runsonwhat tracks.

### What email provider does PLAYBRAIN use?

PLAYBRAIN uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on playbrain.com. Google Workspace is used by 411,618 companies runsonwhat tracks.

### What analytics tools does PLAYBRAIN use?

PLAYBRAIN uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on playbrain.com. Google Analytics is used by 906,289 companies runsonwhat tracks.

### What is PLAYBRAIN's website built with?

PLAYBRAIN uses Squarespace for its website, according to runsonwhat (November 2026). runsonwhat found Squarespace through a subdomain that points at Squarespace. Squarespace is used by 34,244 companies runsonwhat tracks.

### What does PLAYBRAIN use for login and identity?

PLAYBRAIN uses Auth0 for sign-in and identity, according to runsonwhat (November 2026). runsonwhat found Auth0 through a subdomain that points at Auth0 and configuration files. Auth0 is used by 5,986 companies runsonwhat tracks.

### Does PLAYBRAIN use Cloudflare?

Yes. runsonwhat found Cloudflare at PLAYBRAIN through Cloudflare code on playbrain.com. Cloudflare is a CDN & Edge tool used by 724,824 companies runsonwhat tracks.

### How does runsonwhat know what PLAYBRAIN uses?

runsonwhat reads public records only. Of the 13 tools at PLAYBRAIN, 8 were found through code on playbrain.com, 2 through DNS records, 2 through subdomains that point at the vendor and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and playbrain.com about monthly.


---

Source: runsonwhat, https://www.runsonwhat.com/company/playbrain.com (updated November 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.