Brain games
Quick games.
Sharp minds.
Free cognitive mini-games for memory, logic, focus, and reaction. No account needed — daily challenges, streaks, and your cognitive profile await.
All Games
13 gamesThe Pemberton Case
Lord Pemberton is dead. Sift through witness accounts, physical evidence, alibis, and motives — then name the killer. A teaser of the full murder mystery experience.
Color Memory
A color flashes briefly — memorize it, then rebuild it with RGB sliders. Trains visual working memory and colour discrimination.
Arrow Out
Slide bent arrows off the board. Click an arrow — it moves until blocked or exits the edge. Clear every arrow to win. Tests spatial planning and logical sequencing.
Sudoku
Fill the 9×9 grid so every row, column, and box contains digits 1–9. Unique puzzles every time. Builds deductive reasoning and systematic thinking.
Reaction Grid
Tap highlighted cells before they vanish. How fast are your reflexes? Benchmarks your raw visual reaction time.
Mental Math Sprint
Solve arithmetic problems as fast as you can. How many can you get right in 60 seconds? Sharpens mental arithmetic and processing speed.
Word Scramble Sprint
Unscramble words as fast as you can. How many can you solve before the clock runs out? Boosts lexical retrieval speed and mental flexibility.
Stroop Test
A color word appears in a mismatched ink color — tap the ink, not the word. Measures selective attention and cognitive flexibility.
Number Memory
A number flashes briefly — memorize it, then type it back. How many digits can you hold? Tests the limits of your verbal working memory span.
Visual Memory
A grid pattern flashes briefly — memorize which cells were lit, then tap them back. Strengthens spatial pattern recognition and recall.
Nonogram
Fill the grid using row and column number clues to reveal a hidden pixel pattern. Develops logical deduction and constraint-satisfaction thinking.
Light Switch Puzzle
Toggle switches to turn all lights off. Flipping one switch flips its neighbors too. Trains combinatorial thinking and problem-solving.
Change Blindness
Two nearly-identical scenes flicker back and forth. Click the element that's changing. Reveals the limits of visual attention and scene perception.