N-BACK ATTACK
watch the grid. remember N steps back. defend your streak.
Grid size
3x3
N-back level
2
Icon shapes
3
Icon colors
3
Rounds
20
Speed (ms/round)
2200
Position
Shape
Color
▶ START MISSION
ROUND
1
/
20
N=
2
STREAK
0
SCORE
0
POSITION
[A]
SHAPE
[S]
COLOR
[D]
click a button if THIS round matches the one from N rounds ago
MISSION DEBRIEF
↻ NEW MISSION