● Daily

28-Day Brain Challenge

One short exercise a day for four weeks: attention, memory, reasoning and calm.

28 days · 10–15 min a day

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About this program

Each day takes 10–15 minutes and introduces one kind of practice, with a short read on what the research says about it. You will get better at these exercises; whether that carries over to daily life is something to watch for yourself, not something we promise.

The plan

Week 1 · Meet the exercises

Baselines: just do your honest best.

  1. Can you find it? · Find the Odd One · Visual Search Training · 7 min
  2. How many numbers can you remember? · Number Span · Digit Span · 8 min
  3. Think fast: mental math · Mental Math Sprint · Mental Arithmetic · 7 min
  4. Stroop colour challenge · Stroop Challenge · Stroop Training · 7 min
  5. Remember the objects · Object Recall · Delayed Recall · 8 min
  6. Your first Brain Circuit · Daily Circuit · Interleaving · 10 min
  7. Five-minute focus reset · Guided Sessions (audio) · Focused Attention Meditation · 9 min

Week 2 · Go a little harder

New skills: monitoring, spatial memory, switching.

  1. Only respond to the target · Target Watch (Go/No-Go) · Sustained Attention Task · 8 min
  2. Remember the flashing squares · Light Path (Corsi) · Corsi Block Tapping · 8 min
  3. Find the hidden pattern · Pattern Logic · Logic Puzzles · 9 min
  4. Listen and count · Listen & Count · Auditory Attention · 8 min
  5. Switch the rules · Switch the Rule · Task Switching · 7 min
  6. Brain Circuit, level 2 · Daily Circuit · Schulte Table · 8 min
  7. Build a memory palace · Memory Palace Builder · Method of Loci · 12 min

Week 3 · Strategies

Memory palaces, estimation and retrieval practice.

  1. Search under distraction · Find the Odd One · Schulte Table · 5 min
  2. Try the 1-back challenge · N-Back · N-back · 9 min
  3. Can you rotate it in your head? · Mental Rotation · Mental Rotation · 8 min
  4. Estimate the impossible · Fermi Estimator · Fermi Estimation · 12 min
  5. Recall what you learned · Recall Cards (spaced repetition) · Active Recall · 12 min
  6. Brain Circuit, level 3 · Daily Circuit · Number Span · 10 min
  7. Train your attention gently · Guided Sessions (audio) · Breath Counter & Pacer · 9 min

Week 4 · Put it together

Harder versions, then look back.

  1. Target detection challenge · Target Watch (Go/No-Go) · 4 min
  2. Spatial memory ladder · Light Path (Corsi) · Light Path (Corsi) · 6 min
  3. Rule switching challenge · Switch the Rule · Attention Switching · 7 min
  4. Mixed mental math · Mental Math Sprint · Serial Subtraction · 7 min
  5. Delayed memory challenge · Object Recall · Story Link Trainer · 9 min
  6. The 28-day circuit · Daily Circuit · Pattern Logic · 11 min
  7. Review your progress · Reflection Prompts · Metacognitive Reflection · 9 min

A practice plan, not a treatment or a test. You will get better at the exercises themselves; whether that carries over to daily life varies, so watch for it yourself.