BrainTwister

BrainTwister #108: Expressionist

7 January 2026

BrainTwister

BrainTwister #107: Prime products

31 December 2025

BrainTwister

BrainTwister #106: Indices behaving oddly

24 December 2025

BrainTwister

BrainTwister #103: O difference tree

10 December 2025

BrainTwister

BrainTwister #104: Juggling jugs

10 December 2025

BrainTwister

BrainTwister #105: Interesting numbers

10 December 2025

BrainTwister

BrainTwister #102: Ladderet

3 December 2025

BrainTwister

BrainTwister #101: Knight's progress

26 November 2025

BrainTwister

BrainTwister #100: Tricky angles

19 November 2025

BrainTwister

BrainTwister #99: Hat Trick

12 November 2025

BrainTwister

BrainTwister #98: S⋅P numbers

5 November 2025

BrainTwister

BrainTwister #97: Picking and choosing

29 October 2025

BrainTwister

BrainTwister #96: Multiplying dice

22 October 2025

BrainTwister

BrainTwister #95: Coin roll

15 October 2025

BrainTwister

BrainTwister #94: Shape up

8 October 2025

BrainTwister

BrainTwister #93: Counting gaps

1 October 2025