Memorize the digits, then enter them in reverse. Length grows; two misses at the same length ends the run.
How it works
Memorize the digits, then enter them in reverse. Length grows; two misses at the same length ends the run. Lab backward spans are often a digit or so below forward spans. This web game is not a Wechsler subtest.
🧾 Digit Span Test — Forward & Backward🔁 N-Back Test (Working Memory Updating)⬛ Corsi Blocks — Forward Tap Span🎨 Simon Span — Color Sequence Memory
🧠 Free test
📅 Last updated: 2026-08-26 · ✔ Reviewed by the All-Lifes editorial team · About · Methodology