Max: The Secret of Grandpa's letter
Max: The Secret of Grandpa's letter - Play Online
Adventure game? Check. Treasure hunt? Check. Max: The Secret of Grandpa's letter drops you on the Island of Lost Ships with nothing but an old map and your wits. Play as Max, a wolf cub chasing his grandpa's cryptic clues. Puzzles. Secrets. Treasure.
How to Play Max: The Secret of Grandpa's letter
The Goal: Find the treasure. Simple mission. Complex island. Grandpa left a mysterious letter, a worn map, and notebook scraps. Your job? Decode them. Follow the breadcrumbs. Reach the loot before the island keeps it forever.
Explore the Island
Move with WASD. Jump with Spacebar. The Island of Lost Ships isn't flat—cliffs, shipwrecks, hidden paths. Hold Right Mouse Button and drag to rotate the camera. Zoom with Mouse Wheel. Mobile? Use the on-screen joystick. Walk every corner. Check behind rocks. Secrets hide everywhere.
Solve Puzzles and Collect Clues
Tasks pop up as you explore. Read instructions carefully. Some puzzles need observation. Others need logic. Collect clues from Grandpa's notebook. Each note reveals part of the map. Miss one? Backtrack. The treasure won't unlock without all pieces.
Follow the Map
The old map updates as you progress. New routes appear. Dead ends get marked. Pay attention to landmarks—shipwrecks, rock formations, old docks. Grandpa's obsessed with mysteries. His map tricks you. Trust the clues, not assumptions. Rush? You'll loop back to start.
Key Features
- Island of Lost Ships: Open-world exploration with hidden areas and shipwreck secrets.
- Puzzle-Driven Progression: Tasks unlock new map sections. No brute force. Brain power only.
- Clean 3D Visuals: Colorful, kid-friendly design. Runs smooth on standard browsers.
- Story-Rich Adventure: Grandpa's notebook adds lore. Each clue deepens the mystery.
- Full Camera Control: Mouse-based rotation and zoom. Perfect for thorough exploration.
Who is Max: The Secret of Grandpa's letter for?
Perfect for teens who love exploration games. Great for puzzle fans craving story. 3D adventure meets detective work. No time pressure. Just think, explore, solve.
Release Date & Developer
Max: The Secret of Grandpa's letter was developed by Marusya.G. Released on March 10, 2026.
Controls
- WASD: Move Max
- Spacebar: Jump
- Right Mouse Button (Hold + Drag): Rotate camera
- Mouse Wheel: Zoom in/out
- Mobile: On-screen joystick



