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Gamification by Design
Gamification by Design
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SOME WORKS
Crater Trueblood and the Lunar Rescue Company (Helium-3, #3)
Harvest of Stars (Harvest of Stars, #1)
The Stars are Also Fire (Harvest of Stars, #2)
The Broken Sword
Operation Chaos (Operation Otherworld, #1)
Tau Zero
Starfarers
Flandry of Terra (Ensign Flandry 3)
Hrolf Kraki's Saga
World without Stars
