Golden Valley level:
Select Score Attack or Arcade mode. Complete level 5 (Coastal Industrial Zone) with at least a four star rank. The Great River Valley or Sea of Twilight level will appear instead of the usual level that follows. Note: To earn a star, complete a stage with at least 50% shot down. You will lose one star if you are shot down. You will lose all stars if you have to use a continue.
Clouds of Twilight level:
Select Score Attack or Arcade mode. Complete level 9A or 9B (Iceberg Base or Sea of Clouds) with at least a four star rank. The Great River Valley or Sea of Twilight level will appear instead of the usual level that folows. Note: To earn a star, complete a stage with at least 50% shot down. You will lose one star if you are shot down. You will lose all stars if you have to use a continue.
Classic Sega voice over intro:
Hold Circle until the Sega logo appears to hear the classic “Sega” voice over.
EX options:
Unlock the following EX options by performing the corresponding tasks in Arcade mode. Note: These options only affect Arcade mode games.
EX OPTION – HOW TO UNLOCK
5 Game Credits – Get a “Game Over”.
7 Game Credits – Get a “Game Over” three times.
9 Game Credits – Get a “Game Over” five times.
Aircraft Count Decreased To 1 – Play a secret stage five times.
Aircraft Count Increased to 5 – Play a secret stage.
Aircraft Count Increased to 9 – Play a secret stage three times.
Aircraft Set To Highest Speed – Play through four different branched stages.
Aircraft Set To Slowest Speed – Play through all eight different branched stages.
All Smoke Not Displayed – Score over 1,000,000 points.
Always Advance To Secret Mission 14 – Play “Emergency Orders” twenty times.
Armor Set At 1% – Get a down rate of 70% twenty times.
Automatic Gun – Complete Stage 3 Emergency orders.
Automatic Lock-On – Reach the ending ten times.
Automatic Missile Fire – Reach ending “A”.
Combo Set Till Death Or Stage Clear – Get a combo totaling 3,000 points.
Combo Window Twice As Long – Get a combo totaling 1,000 points.
Enemies No Longer Attack – Shoot down 10,000 enemies.
Enemy Attack Leveled Down One Time – Shoot down 1,000 enemies.
Enemy Attack Leveled Down Three Times – Shoot down 5,000 enemies.
Enemy Attack Leveled Down Two Times – Shoot down 3,000 enemies.
Fast Climax Gauge Recovery – Activate Climax Mode 50 times.
Gun Power Down – Shoot down 200 enemies with your guns.
Gun Power Up – Shoot down 50 enemies with your guns.
Hide User Interface – Score over 2,000,000 points.
Invincibility Against Enemy Fire – Get a down rate of 70% fifty times.
Large Lock-On Cursor – Reach the ending one time.
No Explosion Smoke Displayed – Score over 800,000 points.
No Lock-On Cursor – Reach the ending five times.
No Missile Recovery – Fire a total of 2,000 missiles.
No Missile Smoke Displayed – Score over 600,000 points.
Slow Climax Gauge Recovery – Activate Climax Mode 100 times.
Take Half Damage – Get a down rate of 70% ten times.
Unlimited Climax Gauge Recovery – Activate Climax Mode 200 times.
Unlimited Game Credits – Get a Game Over ten times.
Unlimited Missile Recovery – Fire a total of 5,000 missiles.
Trophies:
Note: Trophies can be unlocked with EX options used for easier game play.
Bronze trophies
ROLL – Performed a roll in Arcade mode.
Climax Mode – Activated Climax Mode in Arcade mode.
50 Combo – Got a combo of 50 in Arcade mode.
Stealth bomber – Clear Stage 5 in Arcade mode.
Across enemy lines – Clear Stage 10 in Arcade mode.
Emergency Order – Clear an Emergency Order in Arcade mode.
Rank In – Uploaded a Score Attack score to rankings.
Triple A – Get a AAA ranking in Arcade mode (for Shot Down, Combo, or Play Time).
Silver trophies
Super Tomcat – Clear Arcade mode with the F-14D.
Super Hornet – Clear Arcade mode with the F/A-18E.
Strike Eagle – Clear Arcade mode with the F-15E.
Gold trophies
All Clear! – Clear Arcade mode with ending A.