Some of the fire fighting games available online are "Firefighter Knights to the Rescue" and "Water Mania." These games, along with many others, are free to play online at FireFighterGames.net.
Designed with the youngest players in mind, "Firefighter Knights to the Rescue" presents all of the instructions verbally. The player helps the Bubble Guppies on a flying camel gather up buckets of water to put out a fire while avoiding clouds of smoke.
"Water Mania" is a game for older children who use a virtual water hose to put out fires. The player must determine the best angle to get the water to the fire. This game features multiple levels through which players advance.