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Add to SafariWhen comparing Rainbow vs Blacksmith 2D, the Slant community recommends Blacksmith 2D for most people. In the question“What are the best 2D game engines?” Blacksmith 2D is ranked 48th while Rainbow is ranked 79th. The most important reason people chose Blacksmith 2D is:
Automatically detects changes and updates bitmap cache. Allows to gain even more performance on heavy scenes and runs smoothly on old devices.
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 Cache as bitmap
Automatically detects changes and updates bitmap cache. Allows to gain even more performance on heavy scenes and runs smoothly on old devices.
Pro Most valuable when size matters
All engine code is written in ES6, fully GCC typed, allowing to eliminate all dead code from your app.
Pro Advanced scene graph and rendering pipeline
Dirty flag tracks scene changes and avoids unnecessary calculations and context calls. If no changes were made to the scene since last frame, no rendering will be done. Battery efficient.
![[deleted]](https://avatars.slant.co/identicons/50/9a21b212-6573-4827-9b03-c333d534684d)
Pro Good performance
According to the tests on the Github page, the performance is better than in Phaser!
Pro Good and clear source code
The source code is well commented and easy to understand.
Pro Super small build size
Super small build size through dead code elimination. The best for playable ads and Facebook Instant Games.
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 Small community
The project is young, so the community is extremely small.
