Today, we take a look at Twenty Four, a new brain-challenging game from RoundSky Lab.
Twenty Four (iTunes link) is a devilishly sneaky game that not only entertains you, but improves your mental acuity at the same time. This novel game combines the easy pleasantry of a card game with the logic of a good puzzle.
The concept is simple: You are presented with four cards, each of which has a value (similar to most card games except that an Ace is always 1, and the face cards increment in value “ so Jack is 11, Queen is 12, and King is 13 “ you have the option to eliminate the face cards in favor of A-10 only). You must combine them by adding, multiplying, dividing, or subtracting in a combination that will result in the number 24. Sound easy? It is . And it ‘s not. You must solve the puzzle before time runs out or you lose a life (depicted as hearts in the top right corner).
Starting with these four cards, you would tap the 9 card, followed by the minus sign and the four card. Selected cards raise up to show that you are working on them. The 9 and 5 are enclosed in a purple frame that mathematically equates to parenthesis.
The 8 has been selected and the result of the 9-5 subtracted from it.
Mathematical equivalent: (8-(9-5)) “ or 8-4 — so the result is 4.
Now that entire result has been multiplied by the remaining card, the 6.
((8-(9-5))x6) “ (or 4×6) “ = 24!
Successfully completing the puzzle in time grants you points based on how quickly you finished, and brings up another puzzle. How many will you solve before you lose all your lives?
There are a few things I would like to see supported:
First, a multi player option where you and a network connected opponent battle to see who can solve the puzzle first “ playing towards a chosen number of victories, perhaps.
Second, when you run out of time (or just give up with the ‘Pass ‘ button, each costs you a life and brings up the next puzzle), I ‘d like to see the solution for the puzzle that I couldn ‘t figure out. Sometimes, it ‘s just to know that there really and truly was one that I couldn ‘t come up with.
Third, the instructions don ‘t make terribly clear that once two cards have been selected (and added or subtracted, etc) that you can tap them to deselect them to work on the other pair (creating formulas like (8-2) x (3+3), for example). You figure it out pretty quickly (or, at least, I did), but until then it ‘s a tad awkward.
Twenty Four is available in the App Store and costs 99 cents.
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