Super Brawl 3: Good vs. Evil is an online flash crossover versus fighting game found on Nick.com, in which both heroes and villains from various Nickelodeon cartoons can be played as brawlers. The previous two "Super Brawl" games were made prior to Nickelodeon's work with the Teenage Mutant Ninja Turtles franchise. This is the last Super Brawl game in Flash, as Super hero brawl 4 was in html5.
Players are given a choice of characters, which includes the four Turtles and Shredder. They may also choose a male or female "Fan" - a human companion dressed like the character, that will jump in for a super "Fan Power" move upon filling a bar. The Fan Power moves act similarly to super moves from other fighting games, as they are very powerful attacks.
Special combo move — This move is different for all characters. For Korra, it is Right arrow, Left Arrow, X, and produces an Avatar Blast which causes her to bend all four elements at the same time. For Amon, it is Down arrow, Right arrow, Z, and produces a Blood Bending Stun, a strong, quick blow to the opponent.
The special attack can only be used when the fan power meter is full. The effects vary from character to character, and when charged completely, the playing field is engulfed in lightning-like images along with a powerful attack. For Korra, the playing field is engulfed in gold-colored lightning, Naga runs across the screen, and a fangirl/boy (the choice is given at the start of the game) cheers from the side. For Amon, the playing field is engulfed in purple-colored lightning and the fangirl/boy shoots lightning at the opponent.
Story Mode: Pick a brawler and difficulty. Battle opponents to be crowned the ultimate brawler.
Free Play: Pick a brawler, a computer controlled opponent, difficulty, and the stage. First player to win two matches wins.
Multiplayer: Play as either a guest or with an account in either free play mode or tournament mode. Pick a brawler and stage, and the computer finds another opponent. If in free play mode, the first to win two games wins.
Training: Pick a brawler, stage, and opponent. The training mode teaches you the Special combo move for each character, and the opponent rejuvenates health every time their health gets to a critical level.