1)   Abc Puzzles 8.29
This is a set of games and logic puzzles with various board sizes and controls to allow for easy, medium, or high skill levels. You can play offered games and create your own logic puzzles using built-in game builder or your own bitmaps.

 2)   AbcPuzzles 8.292
This is a set of games and logic puzzles with various board sizes and controls to allow for easy, medium, or high skill levels. You can play offered games and create your own logic puzzles using built-in game builder or your own bitmaps.

 3)   Math for kids 10
Free math lessons and math homework help from basic math to algebra, geometry. The classic puzzle, a favorite of programmers and Buddhist monks. Puzzle index for geometry puzzles, logic puzzles, math puzzles, weight puzzles, moves puzzles and puzzles

 4)   ALLOUT 1.42
Hosted by Lew, the key character in the Down to Earth Cartoon, ALLOUT is a puzzle that will truly put you through your paces. All you need to do is turn all of the lights on the board out. Sure, it sounds simple enough ... but ALLOUT is anything but.