6 and Under

• Mixed gender parties among children 6 years of age and younger should be simple and fun, according to Party Game Ideas. Traditional party games such as pin the tail on the donkey, leap frog, sack races, treasure hunts, musical chairs and taking turns hitting a pinata are fun and age-appropriate for boys and girls of this age group.
  
  

7 to 10

• Party Game Ideas suggests silly but challenging games for 7- to 10-year-old boys and girls. Games may include balloon relay races, bobbing for apples, pass the parcel, which requires kids to take turns unwrapping multiple layers on a package, or a memory game in which the children have to try to remember a number of objects in a short amount of time.
  
  

11 and Older

• Music may be all children of this age want at their party, but for those willing to play games there are a number to choose from. Twister, an aerosol string war, brainteasers, scavenger hunts, murder mystery games, flashlight tag or nighttime hide-and-seek are fun games for kids of this age group.