Related Clues:

• "Not this again..."
• Comment before 'Whee!'
• 'I'm game'
• "Time to get started"
• "I'm game!"
• Words at the outset
• "We're on!"
• Shout at the top of a roller coaster
• 'Let's roll!'
• 'Strap yourselves in, kids ...'
• Comment accompanying an eye-roll
• Mission permission
• "Let's get started!"
• 'Fasten your seatbelts ...'
• Game intro