A set of 50 challenging puzzles of increasing difficulty. Learn to 'think outside the box' as you strive to solve each one. Each has a hint to get you started if you need it. Very enjoyable to solve with your friends or by yourself. 29
A set of 50 challenging puzzles of increasing difficulty. Learn to 'think outside the box' as you strive to solve each one. Each has a hint to get you started if you need it. Very enjoyable to solve with your friends or by yourself. 21
24 game program with perfect irrelevant solutions engine under (+,-,*,/) and (+,-,*,/,^,^^). It supports 4 difficulty levels, supports multiple solutions for 1 question; supports training plan,training game and some helping functions. 6
