Here is the full list of all 20 Trials of the Blood Dragon achievements worth 1,000 gamerscore.
Score a basket
Watch the secret ending
Find all five secrets
You've passed the Trials of the Blood Dragon
"Blades of the Dragons" has been officially cancelled
You've been to Hell and back
The C.I.A. has been vanquished!
You've learned the truth. Now work on a plan
Found the mother of all treasures
Shut down the TurboCrank pipeline
Get an enemy to shoot and kill another enemy
Escaped the fury of a monster
Welcome to the Trials of the Blood Dragon
Get an "A" Grade in all main story levels
Get an "A+" Grade in all main story levels
Complete your sticker album collection
You've obtained an "A" Grade in all Intensive Military Training CD-ROMs!
Evolve your Inner Beast to its final form
Cross the track before the train in Final Reckoning
Survive 30 seconds inside the laser pit