Arcade Game: Collect Shells How to run Open index.html How to play Use arrow keys to move the player up, left, right, and down Collect hearts to add more player lives Collect all the shells to win the game When the player has zero lives, the game will end and reset When the player collects all shells, the winner screen will display Game options Difficulty Hard: All rows except one have Sharks swimming Easy: Two rows have no Sharks and the lowest row with a Shark moves at slow speed Debug Mode On: Displays colored rectangle overlays of all the game entities and canvas info Off: Normal display