Updated Aug 28, 2026 · v4.0.1
Offline brain games, IQ tests. Level up and train your mind every day.
Train your brain in 5 minutes a day. 40+ free brain games, a full IQ test and memory training — works offline, no internet needed. Okto is a brain training app that turns daily mental exercise into progress you can actually see. Start at 1 wrinkle. Play brain games every day. Watch your Focus, Memory, Speed, Logic and Reaction climb — and watch Okto, your octopus companion, evolve alongside you. 40+ BRAIN GAMES ACROSS 5 SKILLS: MEMORY — sequence recall, spatial memory games, pattern matching FOCUS — sustained attention, distraction filtering, dual tasks SPEED — rapid processing, mental math games, quick sorting LOGIC — deduction puzzles, brain teasers, riddles and brain test levels REACTION — reaction time test, go/no-go drills, reflex challenges IQ TEST & BRAIN TESTS: - IQ-style logic test with your percentile result - Personality test — are you a Strategist, Sprinter, Analyst or Sentinel? - Reaction time test — compare yourself to players worldwide - Memory span test — find your working memory limit - Attention test — measure how long you can really focus THE WRINKLE SYSTEM: Ten ranks. Every rank unlocks a new evolution for your octopus and harder brain games. Most brain training apps hand you a score. Okto gives you a character that visibly changes as your mind sharpens. SHARE YOUR RANK: Get your rank card and send it to friends and family. See who has the sharper brain. Challenge your group, compare percentiles, settle it. TRACK EVERYTHING: - Radar chart across all five cognitive skills - Percentile ranking against players your age - Daily streak counter and goals - Session history and progress timeline RECOVERY MODE: Guided breathing exercises to reset focus between sessions. Train hard, recover properly. BUILT FOR DAILY USE: Five minutes is enough. Okto builds your daily brain workout from the games your profile needs most, adapts difficulty as you improve, and keeps a streak going so the habit sticks. Small download size. Plays fully offline. WHO OKTO IS FOR Students preparing for competitive exams. Professionals who want sharper focus at work. Anyone who wants a brain game that respects their time and tracks real progress instead of just handing out points. FREE TO PLAY Core brain games, daily training and your first tests are free forever. Okto Premium unlocks the full game library, all IQ and cognitive tests, unlimited replays and detailed analytics. Note: Okto is designed for mental training and entertainment. Brain training games are practice, not medical treatment, and results vary between individuals. Download Okto. Start at one wrinkle. See how far your brain goes.
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