Most places offer birthday party packages. Check sites such as Goldstar or Groupon for discount tickets.
Square Room Escape
Irvine, (949) 250-4161, www.squareroomescape.com
Escape Room LA
Kid-friendly rooms for children ages 8-13 (the entire room must be purchased, 10-12 tickets)
Los Angeles, (213) 689-3229, www.escaperoomla.com/parties
Irvine, (949)-647-0184, www.brainyactzsocal.com
Cross Roads Escape Games
Kid-friendly version of The Fun House for children under age 13.
Anaheim, (714) 572-1004, www.crossroadsescapegames.com