The last answer posted here is wrong. One cannot make a flash game with Gamemaker efficiently. The best thing to do is buy flash, and get a book or tutorial on how to program in actionscript.
Open flash. Make a game using AS.
doing nothing gthgtygyrfr5t5f5
When you are on the game, click on Level Editor and there you go!!!
with adobe flash CS4 (also flash movies & flash websites made with this.)
opins
Make your own flash and songs, stop stealing.
You can make a side-scrolling game in Flash by using the official development kit. It provides all the required software needed to create Flash based applications and test them.
You need to own GTA to put it on a flash drive.
Through java and flash
Yes u can make your own website or game.
For me, I needed a new flash drive to make my own fairy. Just click on the pink button on the Pixie Hollow main page (Get parent's permission first!), and you're all set!
One word: Flash. Not Adobe Flash PLAYER. Flash costs several hundred dollars though.