When comparing Overlap 2D 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 Overlap 2D is ranked 81st. 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
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Pros
Pro Engine and language agnostic
Can be used with any engine or programming language.
Pro Free and open source
Overlap 2D can be freely downloaded with source code available on GitHub.
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 The project is apparently dead
Con Bare-bones
For example, Ebitengine does not have a physics engine; instead games must rely on a separate implementation such as Chipmunk2D.