You being with a limited number of throws which increases every time you make a basket.

Keep dunking to keep going.

When you run out of balls its game over.

Basketball and basket skins are in development and will come soon. You won't need coins or anything the more you play the more you'll unlock. The number of baskets you make will get you closer to unlocking a skin each game.

Other plans if this takes off is a multiplayer face-off mode where you challenge a mate or play someone random