Move Position left or right; Aim adjusts the launch direction. Power sets speed. Positive Spin hooks right, negative hooks left. A ball that enters a gutter stays there.
Touch or mouse: slide upward toward the pins and release inside the lane. Horizontal movement controls aim, upward distance controls power. A backward or very short drag, releasing outside the lane, or an interrupted gesture cancels without using a ball. Position and spin come from the sliders. Keyboard: focus the lane, use Left/Right to aim and Up/Down for power; Enter or Space bowls. All sliders also support keyboard arrows.
Ten frames. A strike (X) scores 10 plus your next two deliveries. A spare (/) scores 10 plus your next delivery. A miss is –. Pending bonuses show ·. The tenth frame grants two extra deliveries after a strike, or one after a spare. After a tenth-frame strike, a non-strike bonus leaves its remaining pins for the last ball. Maximum: 300.
Players finish a frame before the next player bowls. Practice resets the rack after each delivery and does not affect statistics. In online play, the host selects up to three computer opponents; human guests join empty seats (up to four total), mark Ready, then the host starts. Keep your room code private. Refresh resumes your seat on this browser.