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📍 Spatial 2-Back Lite — Grid Position Only

A cell lights on a 3×3 grid. Press Match if it matches the position two steps back. N stays at 2. Distinct from adaptive n-back and from dual n-back (no letters). Not an IQ.

IQ Test › Brain Tests & Games › Spatial 2-Back Lite — Grid Position Only
Watch the grid. Press Match only on 2-back position repeats. About 24 trials. Hits and false alarms are shown.
How it works

Watch the grid. Press Match only on 2-back position repeats. About 24 trials. Hits and false alarms are shown. 2-back is a working-memory updating task. Hits here are not converted into IQ.

🔁 N-Back Test (Working Memory Updating)🧩 Dual N-Back Lite — Letter + Position⬛ Corsi Blocks — Forward Tap Span🟦 Sequence Memory Test
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📅 Last updated: 2026-08-26 · ✔ Reviewed by the All-Lifes editorial team · About · Methodology
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