There are eight secret trophies in Tron:Evolution for the PS3. I’m not sure why they’re secret though, because they unlock as you progress through the story and aren’t really hidden like in some games.
Check out my other guide if you’re looking for the full list of trophies for Tron: Evolution on the PS3.
Arjia (Silver) – Completed Chapter Three
End of line (Silver) – Completed the game
Greetings, program! (Silver) – Completed the Tutorial
Identification (Silver) – Completed Chapter Five
Race to the Grid (Silver) – Completed Chapter Four
Reboot (Silver) – Completed Chapter One
Shutdown (Silver) – Completed Chapter Two
The Approach (Silver) – Completed Chapter Six