When comparing Rainbow vs Ebitengine, the Slant community recommends Ebitengine for most people. In the question“What are the best 2D game engines?” Ebitengine is ranked 59th while Rainbow is ranked 79th. The most important reason people chose Ebitengine is:
One of the core focuses of Ebitengine is to be simple. The screen is just treated as another image that can be drawn to.
Specs
Ranked in these QuestionsQuestion 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 Simple
One of the core focuses of Ebitengine is to be simple. The screen is just treated as another image that can be drawn to.
Pro Cross platform
Many platforms are supported, including WebAssembly.
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.
Con Bare-bones
For example, Ebitengine does not have a physics engine; instead games must rely on a separate implementation such as Chipmunk2D.
