Every puzzle in the Puzzleri rotation, with what makes each one tick. Tap a card to play today's set.
A letter appears — swipe left if it comes BEFORE the previous one, right if AFTER. Train alphabet reflexes and processing speed.
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A word appears — was it shown earlier in this deck? Pick NEW or REPEATED. Train short-term memory and attention.
Draw one continuous path from START to END that visits every cell exactly once. Train spatial reasoning and planning.
Spot the rule behind a number or letter sequence, then pick the missing element. Train logical reasoning and pattern recognition.
Each emoji hides a secret number — solve the equations to crack the code. Train arithmetic reasoning and algebraic thinking.
Unscramble jumbled letters to find a hidden word — the definition is your only clue. Train vocabulary and verbal pattern recognition.
One emoji appears 25 times, the other 24 — spot which has MORE in a single 6-second glance. Train rapid counting and visual processing speed.
Plan a chess-capture sequence — each Queen, Rook or Bishop eliminates every enemy in its path. Train tactical planning and logical deduction.
Memorize where numbers or letters sit on the grid, then click them back in order. Train working memory and visual recall.
Tiles flash for 2 seconds — tap the same positions before they fade. Train spatial memory and focused attention.
Memorize a flashing digit sequence, then type it back in order. Train working memory and processing speed.
Combine six numbers with +, −, × and ÷ to hit the target — exactly. Train mental arithmetic and flexible problem-solving.
Fill the grid so every row, column and box holds each digit exactly once. Train logical deduction and constraint reasoning.
Fill the empty cells so every row, column and diagonal sums to the magic target. Train arithmetic reasoning and logical deduction.
Flip cards to find matching pairs — remember every position so you can clear the board in the fewest moves. Train visual memory and concentration.
Find 8 hidden words inside a letter grid — forward, backward, horizontal or vertical. Train vocabulary and visual scanning.
Track which cup hides the star as they shuffle faster and faster. Train sustained attention and visual tracking.
Solve a 4-word crossword using definitions and letter intersections — no anagram tricks. Train vocabulary and verbal reasoning.
Spot a hidden 3-digit number in a 12×12 grid filled with only those three digits. Train visual scanning and focused attention.
Spot a hidden 3-letter sequence in a 12×12 grid filled with only those three letters. Train letter scanning and visual attention.
Move one or two matchsticks to fix a broken equation on a 7-segment display. Train lateral thinking and visual logic.
Deduce which shape is the answer from a chain of colour clues. Train logical deduction and visual reasoning.
Slide numbered tiles into ascending order using the single empty slot. Train spatial reasoning and planning.
Navigate a maze as a spider with limited web silk — new cells cost silk, backtracking is free. Train spatial planning and resource management.