US Patent 8128476 Electronic game, such as a computer game involving removing pegs

Peggle is a game that balances skill and luck. The Peggle board is made up of different types of pegs, some of which the player must clear. The player begins a turn by aiming a ball at the pegs. When the player releases the ball, the ball travels through the pegs, contacting some and eventually falling to the bottom of the board. The ball may bounce off many pegs, and those pegs that the ball contacts are removed. A score is calculated based on the number and types of pegs hit during a turn.