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Can you name the first non-negative (0+) integers to contain each letter of the alphabet in its English written name?
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Can you enter every permutation of the digits 1, 2, 3, 4 (without repeating any digits), and without seeing those already entered?
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Can you determine whether the following numbers have an integer as a (S)quare root, a (C)ube root, or (B)oth?
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Can you pick the numbers, written as words, in order from one to fifty?
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Can you pick the integers from science-related clues?
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Can you quickly pick the four-digit sequences that do not contain any digits in their proper positions?
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Can you pick the numbers which fit all given criteria?
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Can you match the integers to the expressions?
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Can you complete the math problem, whose instructions are in the game?
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Can you pick the Integer-Letter matches?
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Can you pick the mathematical expressions that give INTEGER answers, and avoid clicking the expressions whose answers are non-integer?
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Can you pick the Integer-Cube matches?
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Can you pick the Integer-Square-Binary matches?
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Can you pick the Integer-Binary matches?
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Can you pick the Integer-Square matches?
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Can you name the Integer Sequences?
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Can you pick the Integer-Hexadecimal matches?
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Can you pick the Integer-Formula matches?
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Can you place the correct number (1-100) in each box using logic alone?
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Can you name the number to yield integer squares and cubes?