Best Game Engines for Unity
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Compare the Top Game Engines that integrate with Unity as of November 2025
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This a list of Game Engines that integrate with Unity. Use the filters on the left to add additional filters for products that have integrations with Unity. View the products that work with Unity in the table below.
What are Game Engines for Unity?
A game engine is a software framework designed to facilitate the development of video games by providing essential tools and functionalities. It typically includes a rendering engine for graphics, a physics engine for realistic object interactions, and scripting capabilities for game logic. Many game engines also offer asset management, animation tools, networking support, and AI systems to streamline development. Popular engines like Unity and Unreal Engine enable developers to create games across multiple platforms with minimal additional coding. By handling complex technical aspects, game engines allow creators to focus on designing immersive gameplay experiences. Compare and read user reviews of the best Game Engines for Unity currently available using the table below. This list is updated regularly.
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1
Nakama
Heroic Labs
Nakama is an open source game server framework developed by Heroic Labs, designed to facilitate the creation of real-time, multiplayer, and social games across various platforms, including Godot, Unity, Unreal Engine, and more. It provides a comprehensive suite of features such as real-time multiplayer capabilities, customizable matchmaking algorithms, leaderboards, in-game chat, and support for in-game currencies. Developers can extend Nakama's functionality using server-side logic written in Go, TypeScript, or Lua, allowing for authoritative game mechanics and enhanced control over game state. The platform also offers open-source client libraries tailored for different game engines and languages, ensuring seamless integration and flexibility in game development. Nakama is your dedicated server, not another multi-tenant SaaS. Add custom features and secure authoritative gameplay logic directly to your game server.Starting Price: Free -
2
Phaser
Phaser
Phaser is a fast, free, and fun open source HTML5 game framework that offers WebGL and Canvas rendering across desktop and mobile web browsers. It has been actively developed for over 10 years. Phaser is built on and around web standards and puts the browser first. Web export isn't an afterthought or checkbox on a feature list; it's our home. Phaser is fully open source, and you have unrestricted access to every last line of code in the core library. Phaser has more ready-made templates than any other game framework and is a great CLI tool. Games made with Phaser have been used as the cornerstone for marketing campaigns for years. They've been deployed everywhere, including as prominent features on sites for major Hollywood film blockbusters, massive brand promotional campaigns, educational content, interactive experiences, TV shows, news reports, charity fund-raising broadcasts, live events marketing, and so many more.Starting Price: $9 per month -
3
SpeedTree
IDV
Emmy and Academy Award-winning modeling and animation suite used to create trees and plants for films and television. The industry standard for 3D vegetation modeling in games. Tools include the SpeedTree Modeler, Compiler, and full source SDK. Subscription pipelines for the most popular and cutting-edge game engines. SpeedTree for Games is an Award-winning 3D Procedural vegetation middleware product with fine-tuned art controls. Includes Modeler, Compiler, Tree Library and full-source SDK. Increased performance throughout, including faster instance paging, constant buffer updates, and shader optimizations. SpeedTree Cinema is the award-winning 3D-modeling suite that allows you to model, texture, and animate, both stylized and photoreal vegetation for VFX, arch/viz, or matte paintings. Model and shape any type of vegetation using a combination of procedural and fine-tuned art controls.
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