Games Software For Navigo V2 What Is The Best Game Making Software To Make Professional Flash Games?

What is the Best game making software to make professional flash games? - games software for navigo v2

Please can someone tell what is the best game-making software is that, do what professional games. The money did not matter. It is also possible that to encode it.
Please do not tell Game Maker 7.0, because I tried that, and it is garbage.
Something 100% professional, so you can submit a site. Something that can make games like feudalism, Street Fighter, the careers of the platform.
Please help.