Come up with four cards at random from the poker ( digital representation of 1 - 10, Jack,Queen,King were 11, 12, 13),
with add, subtract, multiplication, division makes the results into 24, each card can be used only once.
For example: J Q K K, (11+12)+13/13=24
There is no time limit. Answer, skip and replay is unlimited. The highest score in the simple mode is not included in the highscore.
100 seconds time limits. Answer and skip can be used up to 3 times. Replay is unlimited. The highest score in the complex mode is included in the highscore.