# TetraStack - Falling Block Stacker

> A simple and clean block-stacking extension.

Canonical page: [https://chrome-stats.com/d/tetrastack](https://chrome-stats.com/d/tetrastack)

## Overview

- **ID:** `tetrastack`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Alistair
- **Category:** games-entertainment
- **Daily users:** 24
- **Weekly downloads:** 1
- **Version:** 3.2.7
- **Last updated:** 2025-11-19
- **First published:** 2025-07-05
- **Size:** 125 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/tetrastack/)

## Description

Tetrastack is a fast-paced falling block puzzle game that you can play directly from the browser toolbar. It speeds up over time, allows you to save your progress, assign custom keybindings, and edit controls. You can preview the next three pieces and save one for later use.

## Rankings

- #22,647 — Overall
- #95 — trash
- #194 — stock
- #217 — ad-blocking

## Permissions and access

### Permissions

- `storage`

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/tetrastack)