BrainTwister #36: Prime generators
Regulars
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Puzzles
BrainTwister #35: Cube cuts
Regulars
Subscriber-only
BrainTwister #34: Square dealing
Regulars
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BrainTwister #33: Number triangles
Regulars
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BrainTwister #32: Crossed out of order
Regulars
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BrainTwister #31: Fold and cut
Regulars
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BrainTwister #30: Digital targets
Regulars
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BrainTwister #29: Four by four
Regulars
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BrainTwister #28: Dice differences
Regulars
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BrainTwister #27: Dancing decimals
Regulars
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BrainTwister #26: Up and down
Regulars
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BrainTwister #25: Triangles in circles
Regulars
Subscriber-only