Attention to Detail Reflex
Respond only to correct border-fill color combinations. No live feedback during the test.
Start ▶Numerical Count Reflex
Count digits shown and respond with only 4, 5, or 6.
Start ▶Shape Reflex
Press F for circle and J for square. Tests rapid shape discrimination.
Start ▶Cancellation Drills — 1
Dual-grid practice: prime numbers & vowels. Live countdown timer.
Passage Comprehension — 1
Read once, answer fact-based questions from memory.
Passage Comprehension — 2
Data-rich passage with inference and recall questions.
Passage Comprehension — 3
Focused on reading speed, recall, and factual accuracy.
Serial Subtraction — 1
Three mental arithmetic subtraction sequences under time pressure.
Auditory N-Back (2-Back)
Listen to random sound clips and respond only to 2-back matches.
Visual Pattern Recall Test
Observe the pattern, then recreate it from memory across multi-round levels.