BrainTwister #65: Prime magic squares
Regulars
Subscriber-only
Puzzles
BrainTwister #64: Matching tiles
Regulars
Subscriber-only
BrainTwister #63: A 2025 puzzle
Regulars
Subscriber-only
BrainTwister #62: Particular patterns in piles
Regulars
Subscriber-only
BrainTwister #61: Mark to mark
Regulars
Subscriber-only
BrainTwister #60: Say what you see
Regulars
Subscriber-only
BrainTwister #59 Seven segments
Regulars
Subscriber-only
BrainTwister #58: Fulfilling fractions
Regulars
Subscriber-only
BrainTwister #57: Prime jumps
Regulars
Subscriber-only
BrainTwister #56: Square sums by four
Regulars
Subscriber-only
BrainTwister #55: Squares in squares
Regulars
Subscriber-only
BrainTwister #54: New year, new numbers
Regulars
Subscriber-only
