Unlock the following bonuses by performing the corresponding tasks:
BONUS - HOW TO UNLOCK
Third ship - Complete the "Assassin" challenge.
Stage 5 - Collect at least four keys from any stage.
Stage 6 - Collect at least four keys from any three stages.
Stage 7 - Collect at least four keys from stages 1 through 6.
Hard difficulty - Complete the game under the Normal difficulty setting.
Very Hard difficulty - Complete the game under the Hard difficulty setting.
Ready for the junkyard - Complete the first stage ("Zeus Sector") at any difficulty level.
Piece of rock - Complete the third stage ("Ethia Ruins") at any difficulty level.
System liberated - Complete the fifth stage ("Turady Deep Sea") at any difficulty level.
Survivor - Clear challenge "Survivor".
Collector - Clear challenge "Collector".
Action Fan - Clear challenge "Action Fan".
Chain Expert - Clear challenge "Chain Expert".
Profiler - Clear challenge "Profiler".
Rating Expert - Clear challenge "Rating Expert".
Lucky Number 7 - Collect an accumulated total of 77777 chain rings.
Not that difficult after all - Complete the seventh stage ('Van Krist Labs') at any difficulty level.
Key Explorer - Collect all 35 secret keys.
Can't hide from me - Shoot down a rare enemy.
Challenge Master - Unlock and successfully pass 12 or more challenges.
"The Last Chapter" trophies:
Hellfire - Clear challenge "Hellfire".
Kill Collector - Clear Challenge "Kill Collector 1".
Rank Master - Clear challenge "Rank Master".
Score Collector - Clear challenge "Score Collector 1".
Speed Collector - Clear challenge "Speed Collector".
Speed Gunner - Clear challenge "Speed Gunner".
Stage Keys - Clear challenge "Stage Keys".
The Last Chapter - Complete the tenth stage ("Inner Core") at any difficulty level.
Key Master - Collect all 15 secret keys in stage eight through ten.
King of Unlockables - Unlock at least seven specials.