Kaboom.js is very easy to use and I like it so much that I made 3 youtube tutorials on how to make games with it (using v3000).
If anyone is interested:
- JavaScript Fighting Game Tutorial with Kaboom.js [0]
- Pokémon JavaScript Game Tutorial with Kaboom.js [1]
- JavaScript Vertical Platformer Game Tutorial with Kaboom.js [2]
0: https://www.youtube.com/watch?v=TLH0taCeE6I