Here is a collection of online games about firefighters and firefighting.
Imaginext™ You’re a Firefighter from Fisher-Price
Put out many apartment fires
Bubble Guppies Firefighter Knights to the Rescue! from Nick Jr.
A fire-breathing dragon is setting fires around the kingdom
Fire Safety Games from Primary Games
Trivia, game, puzzles
Fire Safety Games from the Minnesota State Fire Marshal
Elmo’s Fire Safety Game from Sesame Street
Fire Safety Games from Sparky.org
Games plus other fire safety activities