You don. t have to be great with numbers to play Summit Showdown. From our free online Summit calculator, to traditional pen & paper, there are different ways to work out who wins the Showdown. There. s even a special text message service where you send off your answers & the scores come back within 10 seconds! Let your family choose! Summit Showdown is the new puzzle sensation! From football to film, from soaps to celebrities, Summit Showdown will test your general knowledge & creativity as you try to come up with unique answers that score the most points. You are given 2 minutes to come up with answers to 5 general knowledge questions, keeping in mind how many points your answer is worth. The key to Summit Showdown is the Summit scoring system, where the letter A is worth 1, B is worth 2, Y is 25 & Z is 26. So for example.