Chicken Drop: a plain grid that snowballs into wins
On the 7x7 grid, a win forms when matching symbols touch horizontally or vertically in a cluster. Four matching symbols are the fewest that pay, so a win does not need a full line. The theme is farm life, with strawberries, blueberries, corn, acorns and mushrooms, plus card-suit icons. After each win the winning symbols disappear and new ones fall in, which the game calls Tumble. Chests act as BONUS symbols.
Four, five or six chests start Free Spins with 10, 15 or 20 spins. During the round, three or more chests add five spins each time, with no limit. Size and multiplier upgrades persist for the round, and every free spin guarantees at least one egg drop. Progressive Multiplier and Symbol Transform sit beside Scatter, and Buy Free Spins costs 100 times the total bet.