• Angry Professor

• Sherlock and The Beast

• Find Digits

• Sherlock and Squares

• Service Lane

• Cut the sticks

• Chocolate Feast

• Lisa's Workbook

• The Grid Search

• Cavity Map

• Caesar Cipher

• Library Fine

• Extra Long Factorials

• Taum and B'day

• The Time in Words

• Modified Kaprekar Numbers

• Encryption