NeuralSpark

Pick a game. Play for five minutes. Come back tomorrow. NeuralSpark is 72 quick puzzle games across six categories, designed for short daily sessions. No account. No cloud. No tracking. Your progress lives on your device and stays there. SIX CATEGORIES. SEVENTY-TWO GAMES. MEMORY (10 games) - Card Flip — Pair-matching that climbs from 4-pair grids to 12-pair grids across 100 levels. - Grid Recall — Study a pattern, then tap it back from memory before the timer runs out. - Number Sequence — Watch digits appear, then recall them in order. MATH (14 games) - Mental Math — Timed arithmetic across addition, subtraction, multiplication, and division. - Number Pattern — Spot the rule behind a sequence and find the missing value. - Equation Builder — Arrange numbers and operators to hit the target. LANGUAGE (13 games) - Word Scramble — Unscramble the letters across three difficulty tiers. - Vocabulary Quiz — Match words to definitions. - Context Clues — Fill the missing word using the surrounding sentence. ATTENTION (15 games) - Stroop Test — Name the ink color, ignore the word. - Reaction Tap — Pure reflex. Tap the target the instant it appears. - Find the Odd — Spot the one shape, letter, or color that doesn't belong. CREATIVITY (8 games) - Remote Associates — Three words, one hidden connection. - Alternate Uses — How many uses can you find for an everyday object? - Analogy Link — Complete the pattern: A is to B as C is to … SPATIAL (11 games) - Perspective Shift — Rotate the shape in your head and pick the match. - Mirror Match — Find the true reflection among four decoys. - Path Trace — Follow a route through the grid without lifting your finger. Every game has 100 levels. Difficulty scales with you. THE DAILY HABIT - Daily Challenge — A featured game every day, rotating through 62 games in the pool. - Streak Tracking — See how many consecutive days you have trained. Streak freezes cover the occasional off day. - AI Coach Debriefs — After every session, a short in-app debrief contextualizes your in-app score and highlights personal bests. - Round Resume — Close the app mid-session and pick up right where you left off. - 67 Theory Articles — Short neuroscience explainers in English and Vietnamese. - 16 Languages — English, German, Spanish, French, Hindi, Indonesian, Italian, Japanese, Korean, Portuguese, Russian, Thai, Turkish, Vietnamese, Chinese (Simplified and Traditional). PRIVACY BY DEFAULT - No account. No sign-in. No email required. - Offline-first. Works without Wi-Fi, cellular, or any connection. - Local-only data. Your sessions, scores, and streaks live on your device. - No personalized ads. No behavioral tracking across apps. TWO WAYS TO PLAY Free — All 72 games, daily challenges, streaks, XP, and a handful of theory articles. Occasional ads and round gates. NeuralSpark Pro — Remove all ads, remove round gates, unlock every level, unlock all 67 theory articles, per-game trend charts, unlimited session history, and stats export. - Annual — $19.99/year - Lifetime — $49.99 one-time Challenge your mind. Track your in-app streak. Make the puzzle a daily thing.