Ruby for Game Development: Getting Started


Ruby is a versatile programming language known for its simplicity and readability. While it may not be the most common choice for game development, it's certainly possible to create games using Ruby. In this guide, we'll explore the basics of using Ruby for game development and get you started with sample code.


Before diving into game development with Ruby, make sure you have the following prerequisites:

  • Ruby installed on your system
  • A code editor (e.g., Visual Studio Code, Sublime Text)
  • Basic knowledge of Ruby programming
  • Desire and creativity to build games

Step 1: Choosing a Game Development Framework

Ruby doesn't have built-in game development libraries like some other languages, so you'll need to choose a game development framework. Gosu is a popular choice for creating 2D games in Ruby.

Step 2: Installing the Game Framework

Install the chosen game framework, such as Gosu, by using RubyGems:

gem install gosu

Step 3: Creating a Simple Game

Let's create a simple game using Gosu. The following code creates a window with a red square that can be moved with arrow keys:

require 'gosu'
class MyGame < Gosu::Window
def initialize
super(640, 480)
self.caption = 'My Ruby Game'
@x = 320
@y = 240
def update
if Gosu.button_down?(Gosu::KB_LEFT)
@x -= 5
if Gosu.button_down?(Gosu::KB_RIGHT)
@x += 5
if Gosu.button_down?(Gosu::KB_UP)
@y -= 5
if Gosu.button_down?(Gosu::KB_DOWN)
@y += 5
def draw
Gosu.draw_rect(@x, @y, 50, 50, Gosu::Color::RED)
window =

Run this code, and a window with a red square will appear. You can move the square using arrow keys.


Ruby may not be the go-to language for game development, but it's a great choice for hobbyists and those who want to explore game development in a friendly and readable language. By using a framework like Gosu, you can create 2D games with ease and expand your game development skills.

As you continue to explore game development with Ruby, consider more advanced features, such as creating levels, incorporating graphics and sound, and implementing game logic to create captivating and entertaining games.

Happy game development with Ruby!