Fireboy And Watergirl 4 is a latest verions of Fireboy And Watergirl flash puzzle A10 game.Where you play with your friends in a 2 player mode game to unlock all puzzle from the levels to be able finish and go to next level. If you've played the other Fireboy and Watergirl flash games or a game like Pheus and Mor you know the basic concept in Fireboy and Watergirl 4. You control one character with the WASD keys and the other with the arrow keys. Likewise the puzzles get more difficult when you realize that Fireboy can't go into water and likewise Watergirl can't go into lava. Now, each edition of Fireboy and Watergirl has had a central gimmick if you will. In Crystal Temple this gimmick is essentially portals which everyone should be familiar with from Portal and Portal 2.Have fun with your friends in this new puzzle Fireboy And Watergirl 4 games and be the best player in the game.Good luck and have fun!