# Clouds Of Twilight level
Successfully complete Level 9A or 9B (Iceberg Base or Sea of Clouds) with at least a four star rank in Arcade or Score Attack mode to play the Clouds Of Twilight level instead of the Sea Of Twilight level that normally follows. Note: To get 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.
# Golden Valley level
Successfully complete Level 5 (Coastal Industrial Zone) with at least a four star rank in Arcade or Score Attack mode to play the Golden Valley level instead of the Great River Valley level that normally follows. Note: To get 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.
# EX options
Successfully complete the indicated task in Arcade mode to unlock the corresponding EX option. Note: These options only affect Arcade mode games.
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: Successfully complete Stage 3: "Emergency Orders".
Automatic Lock-On: Reach the ending ten times.
Automatic Missile Fire: Reach the "A" ending.
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.
# Classic Sega voice over during introduction
Hold Circle until the Sega logo appears to hear the classic "Sega" voice over.
# Trophies
Successfully complete one of the following tasks to get a trophy:
ROLL (Bronze): Performed a roll in Arcade mode.
Climax Mode (Bronze): Activated Climax Mode in Arcade mode.
50 Combo (Bronze): Got a combo of 50 in Arcade mode.
Stealth bomber (Bronze): Cleared Stage 5 in Arcade mode.
Across enemy lines (Bronze): Cleared Stage 10 in Arcade mode.
Emergency Order (Bronze): Cleared an Emergency Order in Arcade mode.
Rank In (Bronze): Uploaded a Score Attack score to rankings.
Triple A (Bronze): Get a AAA ranking in Arcade mode (for Shot Down, Combo, or Play Time).
Super Tomcat (Silver): Cleared Arcade mode with the F-14D.
Super Hornet (Silver): Cleared Arcade mode with the F/A-18E.
Strike Eagle (Silver): Cleared Arcade mode with the F-15E.
All Clear! (Gold): Cleared Arcade mode with ending A.
