Solitaire Chess Free
Great for dropping in and solving a few puzzles when you have time, wide range of difficulties, uses familiar chess rules in a clever new way.
Spins 3D Puzzle
It gives you a real tactile feel for solving the puzzles and has a wide range of difficulty levels. I designed it to be so–I wrote it!
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U Connect Lite
This one is interesting enough (in later puzzles) for adults, but the early puzzles my young children love.
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Aurora Feint II: Tower Puzzles
One of the first puzzle games I ever got, and it’s a classic. Such a clever idea, and good use of the accelerometer.