Best game engines
Engines and editors for building 2D and 3D games.
3 apps, ordered by visits from AppBreakup and how often our research lists each one as an alternative. Open any app to see its alternatives.
All game engines
- Alternatives to Unity
Widely used 2D and 3D game engine and editor that builds for mobile, desktop, consoles and XR.
Free plan + paidWindows, macOS, Linux - Alternatives to Godot Engine
Free, MIT-licensed 2D and 3D game engine with its own scripting language and a light editor.
Open sourceWindows, macOS, Linux - Alternatives to Roblox Studio
Roblox's free editor for building, scripting and publishing 3D games on the Roblox platform.
FreeWindows, macOS
Our picks by need
Best for most people
UnityBest for a free option
Godot EngineBest for open source
Godot EngineBest for Mac
Roblox StudioBest for Windows
UnityBest for Linux
UnityPopular comparisons
Common questions
What are the best game engines?
Based on how often our research lists them as alternatives and visits from AppBreakup, the leading game engines right now are Unity, Godot Engine and Roblox Studio.
Are there free game engines?
Yes. Unity (free plan + paid), Godot Engine (open source) and Roblox Studio (free) have a free option, out of 3 free or freemium apps we track.
Which game engines are open source?
Godot Engine.