Possible Clues:

• Endlessly aspire to put an end to game
• Bound to put an end to children's game
• Drink at ball game
• Expect to finish early and ruin children's game
• Hard work put an end to play
• Children's game or dance with a sort of egg
• Playground classic
• Flavour enhancer for beer, whisky and game
• Children's game with squares on ground
• Combining ingredient for beer with spirit is child's play