PyBoy

Windows · Mac · Linux · Self-hosted · API

Freedom report

Three barsScore 6.5

PyBoy is ranked #8 of 23 in Game Boy emulators on Freedom251. It runs on API, Linux, macOS, Self-hosted, Windows. There is a free plan.

PyBoy plans and pricing

PyBoy Free Game Boy emulator · Python package and command-line use · LGPL-3.0 license github.com · 4 Oct 2026

Purpose: PyBoy is a Game Boy emulator written in Python and Cython.
Use cases: It can be used from the command line or embedded in Python programs for automation, testing, and AI experiments.
Installation: The documentation gives `pip install pyboy` as the installation command.
Platform support: The installation page links to platform-specific instructions for macOS, Linux, and Windows.
Python interface: The Python interface can send button input, inspect memory, and capture screenshots.
Performance: Rendering can be skipped or disabled, and the documentation says running multiple instances in parallel can improve throughput.
API scope: The API reference covers the supported Python-facing interface and intentionally excludes internal emulation components and platform-specific window implementations.
Hardware APIs: The documented interface covers CPU and address space, graphics, audio, cartridge hardware, and input.
Integration: The GitHub README links to instructions for using PyBoy with Gym and provides examples for Kirby, Tetris, and Super Mario Land.
Support: The installation and development guide directs users to the PyBoy Discord for help.
Notable limit: The guide says PyBoy is under active development and advises keeping backup copies of save files, especially when upgrading between releases.
License: The repository includes the GNU Lesser General Public License version 3.
Price from: Free

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