3 Tutorials

http://tutorialized.com/view/tutorial/Build-a-Physics-Based-Platformer-in-Under-an-Hour/66033
This is a basic platformer, similar to Mario. It has a character, a basic level, enemies, and coins. It is a very long tutorial, but it seems worth it if it works properly.

http://tutorialized.com/view/tutorial/Build-a-Classic-Snake-Game-in-ActionScript-2.0/55846
This is a widely known, and simple game. It shouldn't bee too hard considering it doesn't have that many steps.

http://tutorialized.com/view/tutorial/Simple-Avoiding-Game/30968
By far the most entertaining game. We all had a fun time competing with each other and it doesn't seem to hard to make either.