New Puzzle Games for Oak Systems

Generate and enter/solve Sudoku puzzles against the clock. Nine grid sizes from 4x4 to 16x16. Five levels of difficulty, to suit all levels of play. Play on your PC or print out to solve the traditional way. Save games to complete later. Fastest times...

Kakuro is a grid-based game using the numbers 1 to 9. The player must use their skill to ensure that the numbers they enter add up to the number in the clue square and appear only once in each run of cells. An unlimited supply of puzzles at six grid sizes...

Brain Workout has 30 mentally stimulating activities to exercise the mind and help improve concentration and memory. Up to 8 users have their own training program in the gym and can track their progress in the categories; verbal, logic, spatial,...

Complete Brain Workout is a 46 game collection of all of the brain workout games from 1, 2, and 3. Complete Brain Workout has 40 mentally stimulating activities to exercise the mind and help improve concentration and memory. The activities are split into...

Brain Workout 3 - Portuguese Language Version. Brain Training Games testing 5 brain functional areas. It has 15 mentally stimulating activities to exercise the mind and help improve concentration and memory. Spending a few minutes each day on a mental...

Brain Workout 2 - Portuguese Language Version. Brain Training Games testing 5 brain functional areas. It has 15 mentally stimulating activities to exercise the mind and help improve concentration and memory. Spending a few minutes each day on a mental...

Brain Workout - Brazilian Portuguese Language Version. Brain Training Games testing 5 brain functional areas. It has 15 mentally stimulating activities to exercise the mind and help improve concentration and memory. Spending a few minutes each day on a...