24 game program with perfect irrelevant solutions under standard rule (+,-,*,/) and advanced rule (+,-,*,/,^,^^). You can check all irrelevant solutions for any one or all questions. It supports training, test and comments on multiple solutions for one question by setting "Difficulty Level"; supports training plan / training game with instructions and variety of options; supports World Cup in 4 levels; and supports personal collection management.

Remove the spell and save Rainbow Kingdom! Rainbow Web takes you on a fun adventure to the land of fairies and elves. Spider, an evil wizard, has cast a spell over fairy creatures and spun a web over their kingdom. Solve 60 puzzles to break the spell now and return the land to sunshine!