10 free brain games to play now
Compare the two pictures and tap each difference. Objects may be missing, swapped, flipped, resized or recoloured. Find them all before time runs out.
Memory MatchFlip two cards at a time. Matching pairs stay face up. Remember where every card is to clear the board in as few flips as possible.
Simon SaysWatch the colored pads light up and play a note in a pattern, then repeat it. Each round adds one more step.
Quick MathPick the right answer to each sum as fast as you can. Right answers in a row build a streak for bonus points. You have 60 seconds.
Color RushA color word appears in a different ink color. Tap the button for the ink color, ignoring what the word says. It is harder than it sounds.
Typing Speed TestType the text shown as quickly and accurately as you can. The test lasts 60 seconds and starts with your first key.
Reaction TimeWait for the box to turn green, then tap as fast as you can. Five tries give your average reaction time.
Number MemoryMemorize the positions of the numbers, tap 1, and the rest disappear. Tap the remaining numbers in order from memory.
Aim TrainerTap 30 targets as they jump around the screen. Your average time per target and accuracy make your score.
Trivia QuizAnswer 10 multiple-choice questions against the clock. Faster correct answers and streaks score more.
Why play brain games on Puzzle Den?
- Every game is free and runs in your browser, with no download or account needed.
- Each game has a daily challenge where everyone gets the same puzzle, so scores are fair to compare.
- Levels are generated and checked by our own solvers and test runs before release. See how we test games.