In Super Smash Flash 2, there are 4 difficulty modes: Beginner, Normal, Hard, and Insane! But there won’t just be more damage dealt to you. The amount and type of opponents changes as well!
In addition, the bosses you face will gain new attacks on higher difficulties, making them even more difficult to take down.
If you’re looking for a true challenge, by all means immediately set the difficulty to insane. You won’t be disappointed.