issaac

Puzzles recently added by issaac

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See all puzzles added by issaac

Popular puzzles created by issaac

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See all the popular puzzles created by issaac

Puzzles recently solved by issaac

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See all the puzzles issaac has completed

Puzzles in which issaac is on the podium in the ranking based on time

See the puzzles in which issaac is on the podium in the ranking based on time

See the puzzles in which issaac is on the podium in the ranking based on time