Focus & reaction challenges

Six free browser challenges for attention, memory, reaction speed, visual search, tapping speed, and timing. No sign-up required.

• Focus Trap

  Ignore the distracting cue and choose the correct side before instinct takes over.

• Reaction time

  Wait for the signal, react as quickly as you can, and compare three rapid rounds.

• Click Storm

  Tap as fast as possible for five seconds and see the rhythm your hands can sustain.

• Odd One Out

  Find the subtle mismatch before it blends in.

• Memory Stack

  Hold six characters for a moment, then rebuild the sequence from memory.

• Time Warper

  Close the visual clock and try to feel exactly ten seconds without counting aloud.