Step into the history of postage stamps — with a daily Wordle-style puzzle you won't be able to put down.

🎯 How it works
Scratch away the hidden stamp — the less you reveal, the more XP you earn. Then guess: Which country? Which decade? Only 3 attempts!

📮 16 Games — something for everyone
• Daily Scratch Puzzle (Wordle-style, changes every day)
• Memory – find the matching stamp pairs
• Valuable or Common? – estimate the collector's value
• Time Duel – which stamp is older?
• Quiz – "Which story is actually true?"
• Zoom Guess, Year Estimator, Sliding Puzzle, Timeline, and more…
• StampGuessr – guess the country on the world map

👥 Challenge your friends
Play a lightning duel on 5 stamps — who knows more countries, and who's faster? Share your code, your friend plays the exact same stamps. No account needed!

Or send a digital stamp postcard — your friend opens it in their browser and tries to identify the stamp.

🗺️ Build your collection
Every stamp you solve lands in your personal collection. Watch the world map light up as you discover new countries. 121 real historical stamps — from Germany to China to Andorra.

⭐ XP, Levels & Series
Earn experience points, level up, and unlock new games. Daily streaks keep you coming back.

☁️ Cloud Save
Back up your progress anonymously — no account, no password. Your personal code is all you need.

🔒 Your data stays yours
No ads (basic), no hidden costs, no social login required. EU hosting, GDPR compliant.

Stamp Time Machine is the perfect game for history enthusiasts, puzzle lovers — and everyone who thought postage stamps were dusty old paper scraps, until they played this game. 😄

A new stamp every day. A new story every day.