just wow
to start ill say i gave u a 5/5 and 10/10
i gave up at lvl 13 i was tired (physicaly) cause i was workin at a farm
but lvl 12 took me quite a bit..the puzzles gradualy built up which was good until the person pretty much was confronted with some good challenges..my only suggestion would be a help button(press it and it will tell you a key step in the puzzle) that a person can use
but to use it the person should have some kinda sacrifice such as only 3 times for all 15 lvls or lose some points off your final score for each use
overall though it was an excellent puzzle requiring ones ut most attention to all possibilties keep it up my friend and keep em comin