C2 is the best ^_^

scirra.com/blog/59/construct-2-vs-gamemaker-vs-gamesalad-vs-stencyl

I have a question... Can I save the progress of the game??

For example I complete level 1 in my game

Then I close the game

Then I open the game and level 1 is unlocked because I complete it.

Can I save the progress of the game??

Yes, via browser's cookies.

Manual

Tutorial

Here's an example i made to save levels.

Thank youu!! :DD