Score points by typing the correct target letter shown on the screen. The faster you type the letters the more points you receive for each letter typed. If you type a certain amount of letters in a row correctly you receive a bonus multiplier for every letter typed correctly. If you type too slow you will lose your bonus. If you type a letter incorrectly you will lose your bonus, be deducted a certain amount of points and the sunrise will proceed backwards.
When the sun has reached the top of the screen you will have won the level. Each level has fewer letters to achieve the sunrise with. If you run out of letters before the sun has risen you lose the game.