N-BACK DEFENDER

Enemy ships attack in waves. Remember their lane position and ship type from N steps ago.

A / ◀
Same LANE as N ago
L / ▶
Same SHIP TYPE as N ago
A+L / ⚡
BOTH match — BLAST!
—
Neither? Don't shoot. Let it pass.
N-Back Level:
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WAVE COMPLETE

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Score
0%
Accuracy
0
Best Combo
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Dual Blasts