Puzzle Hub | PDOI.org

Puzzle Hub

Play, Read, Listen & Earn Rewards

At PDOI.org, we believe every donor is a hero. Our digital lounge combines fun + purpose - enjoy brainy games, learn life-saving facts, and earn credit points redeemable for donor recognition and gifts.

Relax your body. Sharpen your mind. Celebrate your humanity.

Choose Your Activity

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Surprise Me!

One click, random fun! Get a surprise puzzle or quiz to brighten your donor break.

Try it
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Myths & Facts Game

Bust common donation myths and test your knowledge in this quick interactive challenge.

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Life Saver Rush

Dodge, collect and rush through! A fast-paced arcade game with a lifesaving twist.

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Blood Drop Rush

Guide your blood drop through a thrilling free-fall while avoiding obstacles!

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Quick Sudoku

Need a short brain break? Try our 4x4 Sudoku and earn quick credits on the go.

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Classic Sudoku

For puzzle lovers who enjoy the classic 9x9 logic challenge โ€“ calm, focused, rewarding.

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Kakuro Puzzle

Love numbers? Mix logic with addition in this addictive numeric crossword game.

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Trivia โ€“ Blood Facts Quiz

Test your blood donation knowledge with engaging quiz questions and learn on the go.

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Crossword Puzzle

Fill the grid with themed clues โ€“ all around blood, health, and humanity!

Play now
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My Credit Score

Track how many credits you've earned and how close you are to unlocking a gift!

View now
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Redeem Gifts

Use your credits to claim appreciation gifts, badges, and donor certificates.

View options
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Live News

Catch up on latest updates in health, science, blood donation and humanity movements.

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Book Corner

Explore thoughtful, inspiring reads handpicked for life-savers like you.

Browse now
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Audio Books & Reviews

Don't feel like reading? Listen to curated audio content during your donation time.

Listen now

Ready to Earn Rewards?

Start playing now and accumulate credits to redeem for exclusive donor gifts and recognition.

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