Games by skill
Each skill maps to a part of a full IQ test. Pick one, or browse everything.
All games
56 games, 1–6 minutes eachN-Back
Is the square where it was n turns ago?
Working memory3 min
Audio N-Back
Is this the letter you heard n turns ago?
Working memory3 min
Dual N-Back
Track positions and letters n steps back at the same time.
Working memory5 min
Digit Span
Repeat growing strings of digits, forwards and backwards.
Working memory3 min
Corsi Blocks
Tap blocks in the order they lit up.
Working memory3 min
Operation Span
Solve sums while remembering a letter list.
Working memory5 min
Counting Span
Count blue circles, then recall every count in order.
Working memory4 min
Letter–Number Sequencing
Hear a mix, reorder numbers then letters.
Working memory4 min
Stroop
Name the ink colour, not the word.
Attention3 min
Spatial Stroop
Answer where the arrow points, not where it is.
Attention2 min
Flanker
Respond to the middle arrow, ignore its neighbours.
Attention3 min
Go / No-Go
Tap for targets, hold back for lures.
Attention3 min
Visual Search
Find the odd item in a crowded field.
Attention3 min
Letter Cancellation
Cross out every target letter in 60 seconds.
Attention2 min
Bubble Pop
Pop only the target-coloured bubbles as they rise.
Attention2 min
Whack-a-Mole
Hit the moles fast, but spare the rabbits.
Attention2 min
Posner Cueing
React to targets after valid and invalid cues.
Attention4 min
Stop Signal
Cancel a response you have already started.
Attention4 min
Continuous Performance
Catch rare targets in a long stream.
Attention6 min
Attentional Blink
Spot two targets flashed in quick succession.
Attention4 min
Trail Making
Connect 1-A-2-B… as fast as you can.
Attention3 min
Task Switching
Alternate rules without losing speed.
Attention4 min
Multiple Object Tracking
Follow moving dots among identical ones.
Attention4 min
Useful Field of View
Catch details at the edge of your vision.
Attention4 min
Face–Name Pairs
Learn names for faces, then recall them.
Memory5 min
Word List Recall
Remember a list after a short delay.
Memory4 min
Pattern Memory
Recreate a grid you saw for two seconds.
Memory3 min
Change Detection
Did one coloured square change? Measures visual memory capacity.
Memory2 min
Paired Associates
Remember which item hides in which box.
Memory4 min
Word Pairs
Learn word pairs, then pick each partner from four.
Memory3 min
Auditory Sequence
Listen to a tune of tones, then tap it back.
Memory3 min
Card Match
Classic pairs with a growing deck.
Memory3 min
Story Recall
Read a short story, answer detail questions.
Memory5 min
Spatial Recall
Remember where objects were placed.
Memory3 min
Symbol Search
Is the target symbol in the group?
Processing speed2 min
Digit–Symbol Coding
Match symbols to digits against the clock.
Processing speed2 min
Mental Math
Solve as many sums as you can in 60 seconds.
Processing speed1 min
Aim Trainer
Click 30 targets as fast and precisely as you can.
Processing speed1 min
Reaction Time
Tap the moment the screen changes.
Processing speed1 min
Choice Reaction
Pick the right key for each signal.
Processing speed2 min
Inspection Time
Judge which line is longer after a flash.
Processing speed3 min
Rapid Naming
Name a grid of colours or digits fast.
Processing speed2 min
Sustained Attention
Tap every digit except 3, for five minutes.
Focus5 min
Breath Counter
Count breaths to nine without drifting.
Focus5 min
Tracking
Keep your pointer on a moving, swerving target.
Focus3 min
Tower of London
Move coloured balls to match a goal in the fewest moves.
Focus4 min
Vigilance Clock
Spot the rare double-jump of a clock hand.
Focus6 min
Mental Rotation
Are the two shapes the same, rotated?
Spatial reasoning4 min
Matrix Reasoning
Complete the 3×3 grid of shapes.
Pattern recognition6 min
Sequence Completion
Find the next item in a figure series.
Pattern recognition4 min
Number Estimation
Which cloud has more dots? Judge without counting.
Pattern recognition1 min
Odd One Out
Which figure breaks the rule?
Pattern recognition3 min
Verbal Fluency
Name as many animals, or F-words, as you can in 60 seconds.
Verbal1 min
Anagram Sprint
Unscramble words before time runs out.
Verbal3 min
Verbal Analogies
A is to B as C is to…?
Verbal4 min
Speed Reader
Read at a paced speed, then check comprehension.
Reading speed5 min