Top Alternatives to Adventure Game Studio

Godot Engine is a free and open-source game engine for creating 2D and 3D games across multiple platforms. It offers a scene-based design, multiple scripting languages (GDScript, C#, C++), and a robust editor, making it suitable for both beginners and experienced developers.

GDevelop is a free and open-source game engine designed for everyone, enabling rapid game creation without prior coding knowledge. It leverages a visual programming system based on events, making game logic creation intuitive. Supporting 2D and 3D game development, it allows multiplatform export to web, desktop, and mobile devices.

Unreal Engine is a powerful, free-to-use 3D creation tool developed by Epic Games, empowering developers across gaming, film, architecture, and automotive industries. It offers a comprehensive suite of tools for real-time rendering, simulation, and interactive experiences.

Stencyl is an intuitive game creation toolkit that empowers individuals to design and publish 2D games across multiple platforms including desktop, web, and mobile, without requiring traditional coding expertise.

ClickTeam Fusion is a powerful, visual game and application creation tool that allows users to build software without writing traditional code. Leveraging an intuitive event editor and drag-and-drop interface, it simplifies the development process, making it accessible to beginners while offering depth for seasoned creators.

CryENGINE is a powerful and visually stunning game development platform known for pushing graphical boundaries. Originally developed for the first-person shooter Far Cry, it has evolved into a comprehensive engine supporting various game genres and platforms. It provides a robust set of tools for creating high-fidelity interactive experiences.

RPG Maker is a comprehensive software series enabling users to create their own role-playing games without extensive coding knowledge. It provides a complete game engine, visual scripting tools, and a wealth of ready-to-use assets.

Urho3D is a free, cross-platform 2D/3D game engine written in C++ and released under the MIT license. It is known for its lightweight design and efficiency, making it a suitable choice for various game development projects.

Playir is a mobile app and game creation platform designed for absolute beginners. It allows users to build interactive experiences, including games and applications, primarily through visual programming and pre-made templates, focusing on accessibility for those with no prior coding knowledge.

Cocos2d-x is a renowned open-source, cross-platform 2D game engine. Favored by mobile game developers for its efficiency and ease of use, it provides a robust framework for creating engaging 2D games with excellent performance across multiple devices and operating systems. Its flexibility and extensive feature set cater to both beginners and experienced developers.

ENIGMA is an open-source game development platform and compiler, coupled with the LateralGM IDE. It allows users to create 2D and 3D games using a flexible scripting language and visual programming tools, offering compatibility with existing Game Maker projects and supporting cross-platform deployment.

Blitz3D is a classic, easy-to-learn game programming language designed for creating both 2D and 3D games on the PC platform. It provides a complete environment for aspiring game developers to bring their ideas to life.