Possible Clues:

• Casual 'You game?'
• Casual "You game?"
• Sheryl Crow's "All I __ Do"
• Twisted Sister classic "I ___ Rock"
• 'Are you interested in doin' this?'
• '__ bet?'
• "___ bet?"
• "__ bet?"
• "Are ya game?"
• Informal 'Shall we...?'