A free, ad-free, offline-capable CoGAT (Cognitive Abilities Test) practice app for students in Kindergarten through Grade 8.
BrainSpark runs entirely in the browser โ no installation, no accounts required. Sign in with Google to sync progress, or play as a guest with everything stored locally.
2,550+ questions across all 9 CoGAT types and every grade Kโ8, including visual SVG figure-matrices.
| Mode | Description |
|---|---|
| Standard Session | 9 questions ยท 15-min timer ยท adaptive difficulty ยท hints after each answer |
| Exam Simulation | 20 questions ยท 25-min timer ยท no hints during quiz ยท battery breakdown at end |
| Review Mistakes | Re-practice up to 9 questions you got wrong in past sessions |
| Battery | Question Types |
|---|---|
| Verbal | Word analogies ยท Odd-one-out ยท Sentence completion |
| Quantitative | Number series ยท Number analogies ยท Number puzzles |
| Non-Verbal | Figure matrices ยท Paper folding ยท Figure classification |
BrainSpark uses a Flow Path Algorithm (ELO-style) that automatically adjusts difficulty based on your recent accuracy.
Every correct answer earns 1 SparkCoin shown in the top-right badge. Spend 15 SparkCoins in the Character Shop to unlock one of 25 animated companion characters who cheer for you after correct answers.
Coins persist across sessions and sync to the cloud when signed in.
| Badge | How to earn |
|---|---|
| ๐ฑ First Steps | Complete your first session |
| ๐ข Number Ninja | 50 quantitative correct answers |
| ๐ Word Wizard | 50 verbal correct answers |
| ๐ท Pattern Pro | 50 non-verbal correct answers |
| โก Speed Demon | Complete a session on time |
| ๐ Perfect Score | Get all questions right in a session |
| ๐ฅ On Fire | Reach a 5-day daily streak |
| ๐ Dedicated | Complete 10 sessions |
| ๐ฏ Sharpshooter | 80%+ accuracy over 20+ questions |
| ๐ Well-Rounded | Try all 3 battery types |
| ๐ Exam Ace | Score 85%+ in Exam Simulation |
| ๐ Mistake Master | Complete a Review Mistakes session |
| Days | Celebration |
|---|---|
| 5 | ๐ฅ On Fire! |
| 10 | โก Supercharged! |
| 15 | ๐ Rainbow Streak! |
| 20 | ๐ Star Streak! |
| 40 | ๐ Blast Off! |
| 100 | ๐ Diamond Mind! |
| 200 | ๐ Legend Status! |
| 500 | ๐ Hall of Fame! |
| Theme | Special Effect |
|---|---|
| ๐ Space Explorer | Floating star particles + cosmic drone audio |
| โก Superhero | Power-burst particles + hero thrum audio |
| ๐ Royal Quest | Flower-petal particles + harp arpeggios |
| ๐ฟ Jungle Adventure | Falling leaf particles + cricket & bird ambience |
| ๐ฆ Unicorn Dreams | Rainbow cursor trail + sparkle audio |
| ๐ฎ Magic Realm | Live star constellation + mystical drone |
| ๐ญ Candy Kingdom | Bouncing candy particles + glockenspiel melody |
| ๐ง Zen | Calm gradient + singing bowl tones |
| ๐ฌ Science | Circuit-board aesthetic + lab hum & beeps |
| โ Math | Number-grid aesthetic + frequency sequence audio |
| ๐ Deep Ocean | Drifting sea particles + ocean waves & seagulls |
| ๐ Scholar's Nook | Warm study particles + soft rain & piano tones |
| Grade | Age | Focus |
|---|---|---|
| K | 5โ6 | Colors, shapes, counting 1โ10, simple patterns |
| 1 | 6โ7 | Animals/objects, skip counting, simple equations |
| 2 | 7โ8 | Analogies, skip counting by 5s, color-shape matrices |
| 3 | 8โ9 | Antonyms, doubling sequences, 3ร3 matrices |
| 4 | 9โ10 | Multi-step analogies, Fibonacci, paper folding |
| 5 | 10โ11 | Advanced vocabulary, algebra intro, dot-matrix patterns |
| 6 | 11โ12 | Science vocabulary, perfect squares, linear equations |
| 7 | 12โ13 | Literary devices, prime numbers, square roots |
| 8 | 13โ14 | Advanced vocab, functions, complex spatial reasoning |
| Mode | Storage | Cross-device? |
|---|---|---|
| Google Sign-In | Firebase Firestore | โ Yes |
| Guest | Browser localStorage | This device only |
Free to use, modify, and distribute for educational purposes.
No affiliation. BrainSpark is not affiliated with, endorsed by, or connected to Riverside Insights, the College Board, or any other official CoGAT publisher or testing organization.
No warranty. This app is provided "as is" without any warranty of any kind. Practice results do not predict, guarantee, or reflect official CoGAT test performance.
Limitation of liability. By using BrainSpark you agree that the developer shall not be liable for any direct, indirect, incidental, or consequential damages. Use is entirely at your own risk.
Privacy. No personal data is sold or shared with third parties. Your name and email (from Google Sign-In) are used only to save progress across devices.
Free & non-commercial. BrainSpark is free to use and not for resale. © BrainSpark.