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Add to SafariWhen comparing Rainbow vs Defold, the Slant community recommends Defold for most people. In the question“What are the best 2D game engines?” Defold is ranked 23rd while Rainbow is ranked 80th. The most important reason people chose Defold is:
Defold uses Lua, which is regarded as an easy to learn language by most.
Specs
Question Ranking
Pros
Pro Open source
Distributed under the MIT License.
Pro Written in modern C++, is scriptable in Lua
Pro Cross-platform
With support for Android, iOS, Linux, Mac OS X and Windows.
Pro Optional FMOD audio engine
Pro Supports Spine
Pro Physics
Box2D integrated with Lua bindings.
Pro Easy to learn
Defold uses Lua, which is regarded as an easy to learn language by most.
Pro Completely free of charge
Software and online dashboard are free of charge.
Pro Good combination of visual editing + code (Lua)
You can do a lot with drag and drop, but you're not limited -- the code (Lua, which is easy to learn) allows you more power than just visual editing usually gives you.
Pro Fast results
Going from idea to result is very important for the creative process.
Pro Very performant
Being crossplatform it is important to work on low end devices.
Pro Visual editor
Pro Easy and fast export for various platforms
Pro Source code available
You can download and modify the source code of the Editor and the engine for free.
Pro Great community
A very active and friendly community in forums.
Pro Collaborative
You can invite friends from the dashboard and create games together.
Pro Hot reload
It allows you to change scripts in a game while it is running live. Common use-cases is to tweak gameplay parameters or to perform debugging on a running game.
Cons
Con Not as feature-rich as other engines
Con Small community
Being fairly new on the scene, there aren't much of a community to speak of.
