Pick your mode .
Every ranked game moves your ELO. Ranked is a randomized mix across all ELO games. Practice never affects ranking.
ALL GAMES — every mode except Practice adjusts your ELO
Ranked
A randomized assortment pulled from every ELO game: solo questions, Word Storm, Connections, N-Back, Mental Rotation, Wisdom. Win or lose ELO per round. The truest measure.
Today's Challenge
One question. Same for everyone. New every midnight UTC. Top 100 land on the daily leaderboard.
Word Storm
7 letters, 75 seconds. Spell as many words as you can. Beat real players or 5 bots.
Live Multiplayer
Real-time multiplayer. 10 questions. Fastest correct wins.
Connections · ELO
Connections
16 words, 4 hidden groups, 4 mistakes max. ELO on solve.
N-Back · ELO
N-Back
Letters flash. Tap MATCH when current = N steps ago. Working memory gold standard.
Spatial · ELO
Mental Rotation
Match the shape from 4 rotated candidates. Pure spatial IQ.
Vocabulary & Domain Mastery
SAT/GRE words. Real-estate law. Bar exam legal. USMLE medical. CFA financial. Verbal analogies. Reading comprehension. Pick a domain or shuffle all.
Mental Math
Super-simple math. Tight clock. Speed is the test. Addition, multiplication tables, halves, percentages, comparisons — plus a few PEMDAS gotchas.
Reflex
A target color is shown wordlessly. Then random colors flash in random rhythm. Tap only when the target appears. Pure reaction time.
Review Due
Questions you missed return on the SM-2 schedule: 1d, 3d, 7d, 21d. Lock them into long-term memory.
Wisdom
Hermetic principles, universal laws, narcissism, chakras, consciousness, philosophy.
Intuition
4 holographic colors. Truly random server pick. 24 rounds. ELO only goes up (or stays flat at chance). Train the muscle.
Memory · ELO
Memory Sequence
Watch the digits. They disappear. Type them back in order.
Number Sequence
Find the missing number. Arithmetic. Geometric. Fibonacci. Squares. Alternating ladders. Pure pattern recognition.
Stroop
The word says one color. The ink is another. Tap the ink color. Speed-graded executive function.
Word Ladder
CAT → COT → COG. Change one letter at a time to climb the chain. 15 rounds. Verbal agility under pressure.
Backward Digit Span
Watch the digits. Type them in reverse . Grows until you miss twice. The classical working-memory benchmark.
Pair Flip
8 pairs of symbols. Find them all in the fewest flips. Tests spatial memory and recall efficiency.
Flashcards
2,800+ cards across vocab, real estate, legal, medical, financial. Grade yourself — Again / Hard / Good / Easy. Locked into long-term memory by SM-2.
Practice
Mixed mode with every game type. Train without affecting your ranking.
Take the real IQ test.
40 questions across verbal, math, spatial, and logic. Real IQ score on the standard 100-mean / 15-SD scale. Real global percentile. Get a breakdown of your cognitive strengths.
Begin the IQ test →
The trainer learns your cognitive shape.
After you play 50 questions, the AI Trainer activates. It analyzes which question types and levels you struggle with most, then serves you targeted training rounds drawn specifically from your weakest spots. The final metric — the one that tells you exactly where to grow.
Open AI Trainer →
Press SPACE to start
Direction
A dot appears at the top, right, bottom, or left. Tap the matching arrow as fast as you can. Desktop: arrow keys also work.
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Tap the arrow matching the dot's side