The aim of Checkpoint is simple - make a path through the grid, leaving no square unvisited and visiting each checkpoint in order. Sounds easy? Try it for yourself... - Contains 140 levels ranging from the relaxing 4x4 grids to the considerably more challenging 9x9. - 140 more Expert Mode levels. - No need to play levels in order - the kids will love the smaller grids whilst the grown-ups can jump straight into the higher level challenges or take on Expert Mode. - Beautiful modern UI that looks great with any theme.