Oak Systems

Oak Systems creates games and puzzle software for the PC.

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Maths Trainer
Trial version
Exercise your mental math skills.
Windows
Brain Workout 3 (Portuguese)
Trial version
Play a brain training game.
Windows
Kakuro Works
Trial version
Create and play sudoku game on your PC.
Windows
Brain Workout in Brazilian Portuguese
Trial version
Test 5 brain functional areas.
Windows
Brain Workout 2 Portuguese Language
Trial version
Brain Workout 2: Daily Portuguese Brain Training Games
Windows
Brain Workout 1 Portuguese Language
Trial version
Portuguese Brain Training Games to Sharpen Your Mind
Windows
Brain Workout 1 and 2 - Brain Training
Trial version
Brain Workout: Exercise Your Mind
Windows
Font Browser
Trial version
Fast Font Browsing and Installation Tool
Windows
Complete Brain Workout
Trial version
Complete Brain Workout: A Comprehensive Brain Training Collection
Windows