DragonRuby Game Toolkit is a professional grade 2D game engine. It's tiny (~3.5MB), fast, and cross-platform (including consoles and mobile).
The only true complete development platform for online games. HeroEngine seamlessly integrates the entire client and server architecture required to operate an online game directly into the development process.



Cost / License
- Free
- Proprietary
Application types
Platforms
- Windows
The Flexible Isometric Free Engine (FIFE) is an open source, cross-platform game engine written in C++ with Python scripting abilities. Inspired by the isometric view found on Fallout and Fallout 2, it can nonetheless be used to create about any 2D game, as the flexible on the...
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux


+5
Game Builder is an experimental game-building sandbox. Create games within a 3D game world you create. Choose from thousands of ready-made 3D models through Poly. Design game logic by arranging various blocks in a sleek drag-and-drop interface.



Limon is a multi platform 3D game engine mainly focusing on first person games. Focus of its development is ease of use and ease of study. It has builtin editor for maps, animations and GUIs.
Cost / License
- Free
- Open Source (LGPL-3.0)
Platforms
- Mac
- Windows
- Linux
Steamworks is a free suite of tools available to any developer to use in their game or software on Steam. Here is a small sampling of the available features:
Cost / License
- Paid
- Proprietary
Platforms
- Online
PlayBasic is a game programming language that gives new programmers the flexibility and feature set for rapid game development, without the complexity or cost. So everybody can experience the challenge of game programming again!



Global cross platform multiplayer game backend as a service (SaaS, Cloud) for synchronous and asynchronous games and applications. SDKs are available for android, iOS, .NET., Mac OS, Unity 3D, Windows, Unreal Engine, HTML5 and others.
Cost / License
- Freemium
- Proprietary
Platforms
- Windows
- Self-Hosted
Bitmelo is a game editor and engine for making small pixel art games. The editor has everything you need to develop a game in one convenient location. You can code, draw tiles and tilemaps, design sound effects, view the documentation, and playtest your game, all without having...


+2
UrhoSharp is a lightweight Game Engine suitable for using with C# and F# to create games and 3D applications. The game engine is available as a portable class library, allowing your game code to be written once and shared across all platforms.
Cost / License
- Free
- Open Source
Application type
Alerts
- Discontinued
Platforms
- Windows
- Linux


+1
Pixel Game Maker MV allows you to build up your own action game with no programming knowledge necessary. This engine was designed with the idea of giving a voice to people's passions, allowing them to freely express the game that they have held in their hearts.


+1
Project Spark is a powerful, yet simple way to build and play your own worlds, stories and games.
Cost / License
- Free Personal
- Proprietary
Application type
Alerts
- Discontinued
Platforms
- Windows


+2
Monkey 2 is a cross platform programming language aiming at game development. Write your code once in an easy to use language called the Monkey code and publish to multiple platforms. The Monkey code compile to native code best for each platform such as Java and JavaScript so...


Stellar is an open-source program inspired in GameMaker Legacy for Pygame/Python development.
Cost / License
- Free
- Open Source
Application type
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux



sottolio is a game engine to make in a simple way visual novels for your internet browser. The games written with sottolio can run everywhere. You need only internet browsers which support javascript, HTML5 and the canvas object.
Cost / License
- Free
- Open Source
Application type
Alerts
- Discontinued
Platforms
- Online
Autodesk Stingray 3D game engine and design visualization software helps developers and designers produce visually stunning experiences.
Cost / License
- Paid
- Proprietary
Platforms
- Windows



Colyseus is a Authoritative Multiplayer Game Server for Node.js. It allows you to focus on your gameplay instead of bothering about networking.


+5
Felgo is a Cross-Platform Development SDK based on the popular Qt framework. Felgo Apps and Games are created within the Qt Creator.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Mac
- Windows
- Linux
- Android


+2
Create and publish XNA games for Xbox 360, Windows Phone 7, and Windows! Build stunning games with beautiful visuals, and quickly prototype your ideas using the SunBurn Game Engine. SunBurn puts professional tools and technology in your hands, making it possible for indies and...
Cost / License
- Paid
- Proprietary
Platforms
- Windows
- Windows Phone
All Out is an AI-native multiplayer gaming platform where players can instantly jump into games and play with friends directly from their browser on any device. Players can explore a growing library of multiplayer games across social deduction, RPGs, party games, survival...
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
- Android
- iPhone
- iPad
- Android Tablet
- Chrome OS


+4
AresEd is a high-level and fully featured 3D game creation suite. It is Free and Open Source. When it is finished you will be able to make full 3D games without writing any code (although a fallback to the python scripting language will be provided).
Cost / License
- Free
- Open Source
Application type
Alerts
- Discontinued
Platforms
- Windows
- Linux

Monkey is a modular language. You can create your own custom modules and use other people's - including the awesome box2d and minib3d modules!.
This scripted application will install the famous animation software Source Filmmaker on your Mac. Most of the warning are displayed on the app. An alternative for Linux users is in the works.
Cost / License
- Free Personal
- Proprietary
Platforms
- Mac


































































