Possible Clues:

• Game where you sort out a book beginning with P
• Phrase before ''I see you!''
• In report, top rating given to nil-nil game
• Tot's game
• Peeping game
• Toddler's face-hiding game
• Game for which it's helpful to have hands-on experience?
• Game that makes babies laugh
• Game that helps babies develop object permanence
• Game for an infant