Interactive puzzle adventures

Puzzle Story Library

Read a story, crack the clues, and play every puzzle right on the page. Pick a shelf and open a book!

Ages 5 to 7 · 5 books · new

Maple Hollow

Picture-puzzle stories for the youngest readers. Pip the hedgehog and Button the ladybird need help in their cosy woodland village: count, match, sort, find patterns and walk mazes, all by tapping the pictures. Every puzzle adds a piece to a big picture. Short words to read together; Book 1 is free.

Ages 8 and up · 7 books

Gearwood Hill Explorers

Help Bolt the robot and Grandpa Ziggy on puzzle adventures. Each puzzle you solve gives one letter, and the letters spell the password that opens the final lock. Every book stands on its own.

Ages 9 and up · 8 books

Gearwood Hill Masterminds

Bigger Gearwood Hill adventures for confident puzzlers: codes, logic, science, maths and a mystery to crack. Ten puzzles in most books, one password, and every book stands on its own.

2 players, ages 7 to 11 · 4 books

Gearwood Hill Team-Up

Puzzle adventures for two. An older Codebreaker and a younger Lookout each hold half of every clue, so nobody can solve a puzzle alone: you have to talk, describe and listen. Play side by side on one tablet, or each on your own device. Every book stands on its own.

Ages 9 and up · 5 books

The Lost Letters of Lark Lane

A story series with puzzles. Juni and Theo find old letters hidden in the wall of the Lark Lane Post Office, and every bundle starts a trail of clues. Read the books in order: the mystery of K. runs through all five.

Ages 10 to 13 · 5 books

The Night Library

A story series with puzzles from real history. At midnight, a brass owl wakes in the Hollowell Library, and Mira must step into a glowing book before the Smudge eats it: ancient Alexandria, Ada Lovelace, the Vikings, Bletchley Park and the Moon landing. Read the books in order; Book 1 is free.

Free for everyone · no key needed

Free games

Fourteen quick games for any day, with a new puzzle every time, and a new Word Ladder every morning. Play on your own, against the computer, or with a friend on the same device. And a quick Power-Up Check of everyday habits.

🎮 Want more? 100+ free games at games.olivelamp.com →

Words and memory

Word SearchTen themes, three levels: find every hidden word.Play ▶ CrosswordMini or standard size, with Check and Reveal.Play ▶ Word BalloonsGuess the word before every balloon pops.Play ▶ Memory MatchFlip cards to find the pairs, alone or with a friend.Play ▶

Numbers and logic

Fast FactsPractise +, −, × and ÷ against the clock.Play ▶ SudokuEasy, medium or hard, with notes, Check and hints.Play ▶ 2048Swipe to join matching numbers. Can you make 2048?Play ▶ MinesweeperUse the number clues to clear the field safely.Play ▶

Board games

ChessPlay the computer at three levels, or a friend.Play ▶ CheckersJump, crown and win, against the computer or a friend.Play ▶ Connect FourDrop discs and line up four before the computer does.Play ▶ ReversiTrap and flip discs, then finish with the most.Play ▶

Daily puzzle

Word LadderA new puzzle every day: change one letter at a time.Play ▶

Card games

SolitaireClassic Klondike. Tap or drag the cards, with Undo and hints.Play ▶

Healthy habits

Power-Up CheckSeven questions on sleep, play, screens, food and reading, checked against the science.Play ▶

For grown-ups

How the books work

Children read a chapter, then solve the puzzle that comes next. The next page stays locked until the puzzle is solved. Every puzzle has up to three hints.

Grown-ups panel

The pen or gear button at the top opens a grown-ups panel with the answers, a page list and a reset button.

Privacy

Nothing is collected from children: no accounts, ads or tracking. Progress, and names typed into a book, are saved only in this browser on this device. Privacy policy

Phones, tablets and computers

The books work on any modern browser. Puzzles can be tapped, dragged or typed. A tablet is the most comfortable size.