When comparing ImpactJS vs LITIENGINE, the Slant community recommends ImpactJS for most people. In the question“What are the best 2D game engines?” ImpactJS is ranked 57th while LITIENGINE is ranked 87th. The most important reason people chose ImpactJS is:
ImpactJS has an active user community that busily produces tremendous resources including videos, books, tutorials, walkthroughs and more. There are also comprehensive class documentation available.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Extensive documentation available to support development
ImpactJS has an active user community that busily produces tremendous resources including videos, books, tutorials, walkthroughs and more. There are also comprehensive class documentation available.
Pro Excellent collision detection system
Impact provides 2 types of collision detection; static and dynamic collisions. Both of which are easily integrated into game development.
Pro Extendable
Many plugins are available, including one called Impact++ which adds features like pathfinding and dynamic lighting.
Pro Level editor
Built-in map editor with support for tiling, collision layers, and actors.
Pro Optimized
Works with Box2d physics library, comes with all worthwhile elements for actors built in.
Pro Truly cross-platform allowing developers to build for anything
Extending the reach of a game developed with ImpactJS is easy due to the cross-platform nature the framework. There are Considerations around performance, resolution and audio, however all can be appropriately addressed when in development. Works in the browser via Canvas, even on mobile. Easily translatable into a packaged app.
Pro Easy to use
Clean and well-designed API that is easily discoverable. Comes with a simple tool (utiLITI) for editing levels based on .tmx maps.
Pro Free an open-source
The engine is published under the MIT license and is entirely free to use.
Pro they are developing a beta for mac and linux
Pro Active and helpful community
Has an active forum and discord channel to discuss topics about the engine.
Cons
Con Inactive
The last update was in 2014.
Con Cost of $99
While most HTML5 frameworks are offered as free open source projects, ImpactJS has a one time cost and no free option.
Con Limited to Desktop
Games made with the engine only run on Windows, Linux and MacOS. There is no support for Android or HTML, yet.
