Sudoku
A workout for the mind, in numbers
Play nowFree printable worksheets
Saerok is a brain-training playground where games that help with early dementia and mild cognitive decline are free to play. It works on a computer, a tablet or a phone, and if the screen is hard to use you can print the puzzles instead.
Five levels
- 1. First steps — 4×4 grid · numbers 1–4
- 2. Gentle — 6×6 grid · numbers 1–6
- 3. Easy — 9×9 grid · starts with 45 numbers
- 4. Normal — 9×9 grid · starts with 34 numbers
- 5. Hard — 9×9 grid · starts with 28 numbers
Scoring
| Level | Level 1 first steps (4×4) · 2 gentle (6×6) · 3 easy · 4 normal · 5 hard (levels 3–5 are 9×9) |
|---|---|
| Completion | 500 points for finishing the puzzle |
| Time bonus | Up to 300 · the more time left, the higher (4 / 7 / 8 / 12 / 18 min) |
| Accuracy bonus | Up to 200 · minus 40 for each mistake |
| Hint penalty | Minus 50 for each hint |
| Level bonus | Normal +100, Hard +250 (no bonus on levels 1–3) |
| Top score | Levels 1–3: 1,000 · Normal: 1,100 · Hard: 1,250 |
| Note | Leaving before you finish saves no score (your progress is kept) |
I went looking online for puzzles for my mother, who lives with dementia, and found it far too hard to find good ones — so I made these for her. I am putting them here in the hope that they help someone else too.