ImpactJS vs TIC-80

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.

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.

Works with Box2d physics library, comes with all worthwhile elements for actors built in.

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.

The app contains tools for coding, sprite editing, map editing, sfx and music editing.

Free version already includes most features but a paid version is available.

Pixelated Software with a good retro style.

Use awesome scripting languages like: Lua, Wren, Moonscript, JS, Ruby, etc.

Exports easily to Windows, Windows-XP, mac, Linux and HTML.

You can imagine this engine Shiva Lua scripting language making 2d side scrolling Megaman style games a Bandai trademark.