In the game, Fireboy and Watergirl explore various temples, each representing a natural element, such as the Forest Temple, the Ice Temple, the Light Temple, the Crystal Temple, and the Fire Temple. Each temple contains unique puzzles and different mechanics. The game's plot is not complicated, but the gameplay that requires the player's coordination and strategy skills is the main attraction.
Players control fireboy and watergirl simultaneously or with friends. Fireboy has the ability to walk through fire, but is hurt by water. In contrast, Watergirl can walk through water unharmed, but is killed by fire. They must avoid green poison pools and overcome puzzles to reach the exit.
Fireboy and Watergirl is not only an entertaining game but also a tool for connecting friends and family. Many players find joy in working together, overcoming challenges, and achieving success. The game has also appeared in many online events and has a strong community of players. New versions and additional levels have been developed continuously, adding more puzzles and challenges for players to explore.