Best Game Engine Software

How Many Game Engine Software Products Does G2 Track?

Total Products under this Category: 38

Category Stats (Sep 2026)

  • Average Rating: 4.19/5 The average rating of products in this category, based on all submitted ratings

Last updated: September 01, 2026

How Does G2 Rank Game Engine Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 600+ Authentic Reviews
  • 38+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Game Engine Software

G2 Grid® for Game Engine Software plotting products by satisfaction and market presence

Highlighted products: Unreal Engine, Unity, Godot, PlayCanvas, CryEngine, GameMaker, Cocos2d-X, and Cafu Engine.

Underlying data: [Grid® JSON](https://www.g2.com/categories/game-engine/grids.json?focus%5B%5D=unreal-engine&focus%5B%5D=unity&focus%5B%5D=godot&focus%5B%5D=playcanvas&focus%5B%5D=cryengine&focus%5B%5D=gamemaker&focus%5B%5D=cocos2d-x&focus%5B%5D=cafu-engine)

Unreal Engine

Founded in 1991, Epic Games is the creator of the Unreal, Gears of War and Infinity Blade series of games. Today Epic is building Paragon, Fortnite, SPYJiNX, and the new Unreal Tournament. Epic's Unreal Engine technology is used by teams of all sizes to ship visually stunning, high-quality games and experiences across PC, console, VR and mobile platforms. Developers also choose Unreal Engine for visualization, design, linear entertainment and simulation. Follow @UnrealEngine on Twitter and download Unreal Engine 4 for free at unrealengine.com.

Average Rating: 4.5/5.0

Total Reviews: 150

How Do G2 Users Rate Unreal Engine?

  • VFX Quality: 9.0/10 (Category avg: 7.7/10)
  • Rendering Quality: 9.3/10 (Category avg: 8.8/10)
  • Cutscene Creation: 8.7/10 (Category avg: 8.3/10)
  • Shader Creation: 8.7/10 (Category avg: 8.2/10)

Who Is the Company Behind Unreal Engine?

  • Seller: Epic Games
  • Year Founded: 1991
  • HQ Location: Cary, NC
  • Twitter: @EpicGames
    5,413,781 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    11,971 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Computer Games, Entertainment
  • Company Size: 73% Small, 16% Medium

What Are Recent G2 Reviews of Unreal Engine?

What Are G2 Users Discussing About Unreal Engine?

Unity

Unity is the world’s leading platform for creating and operating interactive, RT3D content. Creators, ranging from game developers to artists, architects,and automotive designers to filmmakers and more, use Unity to make their imaginations come to life. The Unity platform provides a comprehensive set of software solutions to create and operate real-time 2D and 3D content for multiple platforms, including mobile phones, tablets, PCs, consoles, and augmented and virtual reality devices.

Average Rating: 4.5/5.0

Total Reviews: 353

How Do G2 Users Rate Unity?

  • VFX Quality: 8.4/10 (Category avg: 7.7/10)
  • Rendering Quality: 8.5/10 (Category avg: 8.8/10)
  • Cutscene Creation: 8.2/10 (Category avg: 8.3/10)
  • Shader Creation: 8.2/10 (Category avg: 8.2/10)

Who Is the Company Behind Unity?

  • Seller: Unity
  • Year Founded: 2010
  • HQ Location: San Fransisco
  • Twitter: @unity
    113,557 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    7,260 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Unity Developer, Game Developer
  • Top Industries: Computer Games, Computer Software
  • Company Size: 75% Small, 18% Medium

What Do G2 Reviewers Say About Unity?

AI-generated summary from verified user reviews

Pros
  • Users find Unity to be easy to use, with a user-friendly interface and good cross-platform support.
  • Users appreciate the intuitive design of Unity, making game development accessible and enjoyable for all levels.
  • Users appreciate the strong community support in Unity, enhancing their game development experience through shared knowledge and resources.
  • Users appreciate the seamless integrations in Unity, making it easy to build and import assets efficiently.
  • Users value the user-friendly interface of Unity, enhancing their experience across multiple platforms.
Cons
  • Users find Unity's pricing to be too high for small businesses and indie developers, limiting accessibility for some users.
  • Users find the expensive subscriptions of Unity burdensome, especially for small businesses and indie developers.
  • Users find that Unity has high hardware requirements, necessitating a powerful computer and significant storage space.
  • Users find the high subscription cost of Unity burdensome, especially for small studios and indie developers.
  • Users report significant performance issues with Unity, citing lost work and overwhelming compilation errors as major frustrations.

What Are Recent G2 Reviews of Unity?

What Are G2 Users Discussing About Unity?

Godot

Godot Engine is a comprehensive, cross-platform game development tool that empowers creators to build both 2D and 3D games from a unified interface. It offers an extensive suite of tools, enabling developers to focus on crafting engaging gameplay without the need to reinvent the wheel. With one-click export functionality, games can be deployed across various platforms, including major desktop systems (Linux, macOS, Windows), mobile devices (Android, iOS), web platforms, and consoles. As a free and open-source project under the permissive MIT license, Godot ensures that developers retain complete ownership of their creations, down to the last line of engine code. Its community-driven development model allows users to actively participate in shaping the engine to meet their specific needs. Key Features and Functionality: - Intuitive Scene System: Utilize a node-based architecture to build complex and reusable scenes, facilitating clear and organized game logic. - Versatile Scripting Options: Choose from multiple programming languages, including GDScript (inspired by Python), C#, and C++, to script game components efficiently. - Robust 2D and 3D Engines: Create visually stunning games with dedicated 2D and 3D engines that support features like lights, shadows, shaders, animations, physics, and particles. - Comprehensive Animation System: Implement skeletal animations, blending, animation trees, morphing, and real-time cutscenes with an integrated animation system. - Integrated Physics Engine: Leverage built-in physics for both 2D and 3D environments, supporting collisions, rigid bodies, kinematic bodies, and vehicle simulations. - Cross-Platform Deployment: Export games seamlessly to desktop, mobile, web, and console platforms, ensuring broad accessibility. Primary Value and User Solutions: Godot Engine addresses the challenges of game development by providing a free, open-source, and feature-rich platform that eliminates licensing fees and restrictions. Its user-friendly interface and flexible architecture cater to both beginners and experienced developers, streamlining the development process. By supporting a wide range of platforms and offering a robust set of tools, Godot enables developers to bring their creative visions to life efficiently and effectively.

Average Rating: 4.5/5.0

Total Reviews: 27

How Do G2 Users Rate Godot?

  • VFX Quality: 8.8/10 (Category avg: 7.7/10)
  • Rendering Quality: 8.8/10 (Category avg: 8.8/10)
  • Cutscene Creation: 7.6/10 (Category avg: 8.3/10)
  • Shader Creation: 8.1/10 (Category avg: 8.2/10)

Who Is the Company Behind Godot?

  • Seller: Okam Studio
  • Year Founded: 2010
  • HQ Location: Buenos Aire
  • Twitter: @OKAMSTUDIO
    1,813 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Computer Games
  • Company Size: 96% Small, 7% Large

What Are Recent G2 Reviews of Godot?

PlayCanvas

PlayCanvas is an open source cloud hosted collaborative 3D platform for building video games that allows per-pixel lighting, shadows and post effects, rigid bodies, triggers, vehicles, and joints, and audio, input, animation, and entity system.

Average Rating: 4.5/5.0

Total Reviews: 12

How Do G2 Users Rate PlayCanvas?

  • VFX Quality: 5.0/10 (Category avg: 7.7/10)
  • Rendering Quality: 8.9/10 (Category avg: 8.8/10)
  • Cutscene Creation: 7.2/10 (Category avg: 8.3/10)
  • Shader Creation: 8.3/10 (Category avg: 8.2/10)

Who Is the Company Behind PlayCanvas?

  • Seller: PlayCanvas
  • Year Founded: 2011
  • HQ Location: London
  • Twitter: @playcanvas
    17,318 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 67% Medium, 17% Large

What Are Recent G2 Reviews of PlayCanvas?

CryEngine

With CRYENGINE, we have a simple goal: to create the most powerful game engine in the industry, and to give creators all across the globe the tools to harness this power to create world-class gaming experiences, no matter their budget or team size. 5% royalties, full source code. Suitable for developing on all platforms, including a strong affinity & performance boost for VR. Check our the full-feature catalogue, here: https://www.cryengine.com/features

Average Rating: 3.7/5.0

Total Reviews: 15

How Do G2 Users Rate CryEngine?

  • VFX Quality: 9.2/10 (Category avg: 7.7/10)
  • Rendering Quality: 9.2/10 (Category avg: 8.8/10)
  • Cutscene Creation: 8.3/10 (Category avg: 8.3/10)
  • Shader Creation: 7.5/10 (Category avg: 8.2/10)

Who Is the Company Behind CryEngine?

  • Seller: Crytek
  • Year Founded: 1999
  • HQ Location: Frankfurt am Main, Hessen
  • Twitter: @cryengine
    54,675 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    492 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 81% Small, 19% Medium

What Are Recent G2 Reviews of CryEngine?

GameMaker

GameMaker allows you to create cross platform games and functional prototypes with managed workflow, quality, multi format export, performance and more.

Average Rating: 4.1/5.0

Total Reviews: 32

How Do G2 Users Rate GameMaker?

  • VFX Quality: 8.5/10 (Category avg: 7.7/10)
  • Rendering Quality: 8.3/10 (Category avg: 8.8/10)
  • Cutscene Creation: 8.2/10 (Category avg: 8.3/10)
  • Shader Creation: 7.5/10 (Category avg: 8.2/10)

Who Is the Company Behind GameMaker?

  • Seller: YoYo Games
  • HQ Location: Dundee, United Kingdom
  • Twitter: @YoYoGames
    70 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    73 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Computer Games
  • Company Size: 75% Small, 16% Medium

What Are Recent G2 Reviews of GameMaker?

What Are G2 Users Discussing About GameMaker?

Cocos2d-X

Cocos2d-x is an open-source game engine that helps its users develop their own mobile games.

Average Rating: 3.6/5.0

Total Reviews: 12

Who Is the Company Behind Cocos2d-X?

Who Uses This Product?

  • Company Size: 58% Small, 25% Medium

What Are Recent G2 Reviews of Cocos2d-X?

Cafu Engine

Cafu Engine is an all-purpose, modern 3D graphics engine and game development kit that has features that can be used to create a variety of 3D applications including games, simulations, and training and architectural software.

Average Rating: 4.4/5.0

Total Reviews: 13

How Do G2 Users Rate Cafu Engine?

  • VFX Quality: 8.9/10 (Category avg: 7.7/10)
  • Rendering Quality: 9.4/10 (Category avg: 8.8/10)
  • Cutscene Creation: 9.2/10 (Category avg: 8.3/10)
  • Shader Creation: 10.0/10 (Category avg: 8.2/10)

Who Is the Company Behind Cafu Engine?

  • Seller: Cafu
  • HQ Location: Hoppstadten-Weiersbach
  • Twitter: @CafuEngine
    8 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 54% Small, 31% Large

What Are Recent G2 Reviews of Cafu Engine?

HaxeFlixel

HaxeFlixel is an open source cross platform 2D game library that allows you to create games from one codebase.

Average Rating: 3.9/5.0

Total Reviews: 10

How Do G2 Users Rate HaxeFlixel?

  • VFX Quality: 6.7/10 (Category avg: 7.7/10)
  • Rendering Quality: 6.7/10 (Category avg: 8.8/10)
  • Cutscene Creation: 10.0/10 (Category avg: 8.3/10)
  • Shader Creation: 10.0/10 (Category avg: 8.2/10)

Who Is the Company Behind HaxeFlixel?

  • Seller: Haxeflixel
  • Year Founded: 2012
  • HQ Location: N/A
  • Twitter: @HaxeFlixel
    4,520 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 73% Small, 18% Medium

What Are Recent G2 Reviews of HaxeFlixel?

GIANTS Engine

GIANTS Engine is a realtime 3D game engine with corresponding content pipeline tools that supports multiple platforms and game genres.

Average Rating: 4.2/5.0

Total Reviews: 3

How Do G2 Users Rate GIANTS Engine?

  • VFX Quality: 5.0/10 (Category avg: 7.7/10)
  • Rendering Quality: 10.0/10 (Category avg: 8.8/10)
  • Cutscene Creation: 6.7/10 (Category avg: 8.3/10)
  • Shader Creation: 6.7/10 (Category avg: 8.2/10)

Who Is the Company Behind GIANTS Engine?

  • Seller: GIANTS Software
  • Year Founded: 2008
  • HQ Location: Schlieren, CH
  • Twitter: @GIANTSSoftware
    62,652 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    103 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 67% Small, 33% Large

What Are Recent G2 Reviews of GIANTS Engine?

Cocos Creator

Cocos simplifies game creation and distribution with Cocos Creator, a free, open-source, cross-platform game engine. Millions of developers have built 2D / 3D experiences, from hardcore games to web instant entertainment.

Average Rating: 4.3/5.0

Total Reviews: 2

How Do G2 Users Rate Cocos Creator?

  • VFX Quality: 7.5/10 (Category avg: 7.7/10)
  • Rendering Quality: 7.5/10 (Category avg: 8.8/10)
  • Cutscene Creation: 8.3/10 (Category avg: 8.3/10)
  • Shader Creation: 8.3/10 (Category avg: 8.2/10)

Who Is the Company Behind Cocos Creator?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Cocos Creator?

Defold

Defold is the ultimate game engine for web and mobile. It is completely free to use with a developer-friendly license for both personal and commercial use. Defold built from the ground up with a clear focus on performance. Spend time making games, not waiting for builds!

Average Rating: 5.0/5.0

Total Reviews: 2

How Do G2 Users Rate Defold?

  • VFX Quality: 7.5/10 (Category avg: 7.7/10)
  • Rendering Quality: 10.0/10 (Category avg: 8.8/10)
  • Cutscene Creation: 8.3/10 (Category avg: 8.3/10)
  • Shader Creation: 6.7/10 (Category avg: 8.2/10)

Who Is the Company Behind Defold?

  • Seller: Defold Foundation
  • Year Founded: 2020
  • HQ Location: Stockholm, SE
  • Twitter: @defold
    7,904 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    6 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Small, 50% Medium

What Are Recent G2 Reviews of Defold?

What Are G2 Users Discussing About Defold?

GamePlay3d

GamePlay3d is an open-source, cross-platform, 2D and 3D game framework aimed towards indie game developers who are creating desktop and mobile games.

Average Rating: 3.8/5.0

Total Reviews: 2

Who Is the Company Behind GamePlay3d?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of GamePlay3d?

What Are G2 Users Discussing About GamePlay3d?

ORX

ORX is an open source, portable, data-driven 2D-oriented game engine that has been created to allow creation of games and prototypes that provides a framework for game development.

Average Rating: 4.0/5.0

Total Reviews: 2

Who Is the Company Behind ORX?

  • Seller: ORX
  • HQ Location: N/A
  • Twitter: @orxproject
    305 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of ORX?

Starling Framework

Starling Framework is an open source cross platform ActionScript library for Adobe Flash that recreates Flash's display list architecture on GPU that runs in the browser and on all mobile platforms.

Average Rating: 3.5/5.0

Total Reviews: 2

Who Is the Company Behind Starling Framework?

  • Seller: Gamua
  • Year Founded: 2010
  • HQ Location: Attnang-Puchheim, AT
  • Twitter: @gamua
    1,412 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    2 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Starling Framework?

What Are G2 Users Discussing About Starling Framework?

Adam Crivello
AC
Researched and written by Adam Crivello
Updated March 3, 2025