GigaBrain

Free online brain-training games and cognitive tests — reaction time, memory, aim, math and more. Play instantly, get a GigaScore, and see your rank.

  • Reaction Time Test
  • Aim Trainer
  • Aim Tracking Trainer
  • Schulte Table
  • Stroop Test
  • Spot the Typo
  • Task Switching Test
  • Change Detection Test
  • Visual Memory Test
  • Number Memory Test
  • Verbal Memory Test
  • Chimp Test
  • Sequence Memory Test
  • Word Memory Test
  • Center Point Test
  • Mental Rotation Test
  • Multiple Object Tracking
  • 2048
  • Ball Sort Puzzle
  • Mental Math Test
  • Missing Operators