PhyscoKillerMonkey

GIF
Start with the basics to create all the elements
Puzzle

GameDev

GIF
tiny computer for making, playing and sharing tiny games
Play in browser
GIF
A fantasy game console designed for making fun 8-bit games.
Free, easy to use and flexible level editor.
A brainstorming tool that enables game developers to test their limits and discover great ideas.
A simple tool for creating your own sound effects.
The HTML5 2D+3D game maker. Open source and collaborative.