Impact vs NeoAxis Engine

Impact provides 2 types of collision detection; static and dynamic collisions. Both of which are easily integrated into game development.

Many plugins are available, including one called Impact++ which adds features like pathfinding and dynamic lighting.

Built-in map editor with support for tiling, collision layers, and actors.

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.

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.

You can use the engine for any commercial products and keep all the profits since NeoAxis does not ask for any royalties.

You can learn how to use Neoaxis in a few days.

You can easily create maps/scenes and add custom objects with physics and animations in a few minutes.

Has about 30 built-in maps with different game modes which can be opened by the map editor and their source code can be edited.

Supports Visual Studio, SharpDevelop or MonoDevelop.