Cruz Coronado applies to attend an exclusive school for explorers, the Explorer Academy, where his mother worked before dying in a mysterious lab accident.
Plunged into a world of critical missions and code breaking, the 12-year-old embarks on a global hunt for a secret formula that could reveal his hidden past. But it might be difficult—especially when you don’t know who you can trust.
GAME! "CRACK THE CODE"
Test your code-breaking skills by cracking secret messages in the game below.
See if you're a top code breaker like 12-year-old Cruz Coronado, who breaks secret codes in order to fight villains and solve mysteries in the book Explorer Academy: The Nebula Secret. BONUS: Some of the messages will give you clues about the book!
Dive deeper into Explorer Academy.