Challenges

Reach level 5 (5 items)

Establishes baseline phonological loop capacity

Reach level 12 (7 items)

Expands sequential WM beyond typical adult range

Complete 3 levels in a row

Trains consistent encode-maintain-retrieve cycling

Complete 8 levels in a row

Builds resistance to attention lapses during recall

Complete 5 levels in a row while at level 10+

Integrates expanded capacity with encoding reliability

Complete 5 levels

Introduces ordered recall training paradigm

Complete 50 levels

Initiates neuroplasticity in prefrontal WM circuits

Reach level 12+ in 50 sessions

Stabilizes above-average sequential memory capacity

Get an 8+ hotstreak in 50 sessions

Builds durable attention stability during recall

Get a 5-puzzle hotstreak at level 10+ in 50 sessions

Consolidates integrated capacity + reliability skills

Reach level 22 (9 items)

Develops chunking and central executive control

Complete 14 levels in a row

Develops sustained WM under increasing cognitive load

Complete 5 levels in a row while at level 15+

Sustains near-ceiling WM with error-free performance

Complete 500 levels

Consolidates WM gains through spaced repetition

Reach level 22+ in 50 sessions

Makes elite-level chunking strategies habitual

Get a 14+ hotstreak in 50 sessions

Makes sustained encoding-retrieval accuracy habitual

Get a 5-puzzle hotstreak at level 15+ in 50 sessions

Stabilizes high-demand WM with consistent accuracy

Reach level 30 (14 items)

Pushes WM ceiling through advanced mnemonic strategies

Complete 20 levels in a row

Trains elite attentional control during memory tasks

Complete 5 levels in a row while at level 20+

Achieves mastery: max capacity + max reliability

Complete 5000 levels

Achieves durable WM enhancement and automaticity

Reach level 30 in 50 sessions

Cements expert-level WM as reliable baseline

Get a 20+ hotstreak in 50 sessions

Establishes elite WM consistency as personal norm

Get a 5-puzzle hotstreak at level 20+ in 50 sessions

Cements mastery of both WM dimensions long-term