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Hypergoatdown is a simple hybrid of Hyper and Goatdown, differing from the standard rules in the following ways:

In letters rounds, the picking player chooses 11 letters, but then can decide exactly which letter to have in the final slot. This can be chosen with the keyboard or by clicking the letter in the interface. The player is given 6 seconds to make this decision.

Numbers rounds are unchanged from Hyper; selections have 8 numbers, including to 6 large numbers drawn from 25, 50, 75, 100, 150 and 200. The target is between 1001 and 9999.

Conundrums have 12-letter answers, but only 11 letters are shown. Only one 12 letter word can be made by adding an extra letter to these 11, and this is the required answer. After the standard time is up (e.g. 30 seconds), the missing letter is revealed and an extra half-time (e.g. 15 seconds) is added. However solving the conundrum during this extra time is only worth 7 points.