The goal of the game is to collect as many sets as possible. A set consists of some subset of the showing cards, where each color appears an even number of times. For example, the following cards form a set:
Each card collected in a set counts towards your score.
Use a mouse, touch, or keyboard input to select cards and activate the following buttons:
(Enter key) Enters your selection.
(Escape key) Clears your selection.
("R" key) Reveals a solution.
Revealing a solution disables scoring for those cards.
Warning: Some of the following settings are irreversible.
Resets the cards, in case of error.