Test your Brain. Train to improve.

Click when the screen changes from blue to red. Measures your visual reaction speed.

React to sound cues instead of visual ones. Advanced mode adds low-pitched distractors to ignore.

Click highlighted targets as fast as possible. Train visual attention switching and acquisition speed.

Click randomly appearing targets as fast as possible. Improves hand-eye coordination.

Click specific targets while filtering distractors. Trains selective attention under pressure.

Press different keys based on colors and shapes. Trains decision-making speed.

Study images briefly then answer questions about what you saw. Multiple difficulty levels available.

Numbers flash briefly, then you click them in order from memory. Can you beat the chimp?

Memorize increasingly long numbers and type them back. Test and training modes available.

Remember items from N steps back in a sequence (N-Back Test). Trains working memory capacity.

Memorize grid patterns and recreate them from memory. Tests spatial recall with increasing difficulty.

Watch colored buttons light up in sequence, then repeat the pattern. Classic Simon Says style memory game.

Sequential arithmetic problems under time pressure. Train calculation speed and accuracy.

Fill a grid of arithmetic problems within time limit. Mental math practice for speed and accuracy.

Compare two expressions and pick which result is larger. Train number sense and estimation.

Pick the correct answer from multiple choices. Rapid arithmetic and number sense test.

Comprehensive 4-part test measuring your mental math abilities. Get your Mental Math IQ score.

Also known as Picture Logic. Use row and column clues to reveal a hidden pixel picture.

Use logic clues to guess the secret 3-digit combination. Can you unlock the padlock?

Guess the secret 4-color pattern using logic clues. Classic Mastermind-style deduction puzzle.

Solve Einstein's famous riddle. Use clues to deduce who owns what.

Delete numbers so each row and column adds up to its target sum. Number logic puzzle.

Combine numbers using +, −, ×, ÷ to reach the target. Classic TV show puzzle format.

Identify which 3D cube matches a 2D net pattern. Trains mental folding and spatial visualization skills.

Identify rotated shapes and distinguish them from mirror images. Classic spatial reasoning test.

Find the mirror reflection of shapes. Tests spatial reasoning and reflection recognition skills.

Navigate through increasingly complex mazes. Improves spatial planning and pathfinding skills.

Slide and merge numbered tiles to reach 2048. Train strategic planning and spatial reasoning.

Reproduce sequences of highlighted positions. Classic Corsi block-tapping task.

Find the different character among similar symbols.

Find differences between two similar images.

Identify the next shape in sequence. Tests visual pattern reasoning and matrix logic.

Memorize and recreate grid patterns. Trains visual working memory.

Identify the next letter in alphabet sequences. Tests sequential reasoning and rule detection.

Find the missing piece in 3×3 grids. Train fluid intelligence with Raven's-style visual puzzles.

Decide if letter strings are real words or not. Tests rapid vocabulary access and processing.

Find matching symbols quickly under time pressure. Visual scanning test for job aptitude practice.

Connect numbers and letters in sequence. Classic TMT test for cognitive flexibility and processing speed.

Count dots in a flash. Tests instant number perception and visual enumeration speed.

Compare dot quantities in a flash. Dyscalculia screening and magnitude perception training.

Track multiple moving targets among distractors. Used by athletes to improve game awareness.

Follow smoothly moving targets with precision.

Track objects and remember where they vanished.

Predict where moving objects will land.

Count balls bouncing around the screen.

Also known as Stroop Test. Name the ink color while ignoring the word.

Also known as Go/No-Go Test. Respond to targets but inhibit responses to distractors.

Stop the timer exactly at 10 seconds without seeing it. Test your internal clock and time perception.

Respond to independent left and right streams simultaneously.

AKA NASA Psychomotor Vigilance Task. Measure sustained attention and fatigue resistance over time.

Also known as SART. Press for every digit except 3 to measure sustained focus and resistance to mind wandering.

Manage intersection gates to control traffic flow. Prevent crashes and avoid queue overflow.

Control two block-stacking games simultaneously. Ultimate divided attention challenge.

React to color changes while playing brick breaker. Measure your dual-task performance.

Switch between different response rules quickly. Trains cognitive flexibility.

Respond to visual shapes and audio tones simultaneously. Train divided attention.

Also known as RSVP. Read text one word at a time at high speed.

Read words in your peripheral vision. Expands your visual reading field.

Read passages and answer questions. Measure your WPM and comprehension.

Find numbers 1-25 in order. Classic concentration grid for peripheral vision training.

Identify characters in peripheral vision while fixating center.

Identify targets among peripheral noise and distractors.

Discriminate motion direction from random dot patterns.

Predict and click where moving objects will appear.

Identify which color appears most frequently. Trains subitizing.

Match target colors precisely using sliders.

Memorize briefly displayed colors and identify exact matches from similar options.

Arrange color swatches in gradient order. Tests your ability to discriminate subtle hue differences.

Comprehensive color perception assessment with adaptive difficulty.

Identify which of two tones is higher or lower.

Click in sync with beats and measure timing accuracy.

Maintain steady BPM without metronome. Builds internal timing.

Identify individual notes without reference. Tests perfect pitch.

Listen to speech at high speeds while tracking comprehension.

Practice hearing speech through adjustable background noise.

Measure your CPS (clicks per second) and CPM. Test mouse clicking or spacebar pressing speed.

Follow smoothly moving targets with your cursor. Trains hand-eye coordination and precision control.