Boss Rush mode opponents...
	Free Play mode...
	Gallery option...
	Stage select...
	Various Steam Achievements...
	Weapon select...

Defeat a Boss to unlock it in Boss Rush mode.

Successfully complete the game. Note: This must be repeated for every game mode.

Complete the second loop in any mode.

Successfully complete the game. Note: This must be repeated for every game mode.

Complete the indicated task to unlock the achievement.

Achievement	How to unlock
"ACE!"	Clear NORMAL difficulty with 1 credit. (OVERKILL MODE/No DUAL).
"HERO"	Clear HARD difficulty with 1credit. (OVERKILL MODE/No DUAL).
"INCREDIBLE!"	Clear ULTIMATE difficulty with 1 credit. (OVERKILL MODE/No DUAL).
"LEGEND!"	Clear VERY HARD difficulty with 1 credit. (OVERKILL MODE/No DUAL).
All missions "Sols Destruction"	Destroy all Sols in LEVEL 1 - LEVEL 7. (OVERKILL MODE/SCORE ATTACK MODE/Difficulty NORMAL or higher/No DUAL).
ARCADE Clear	Clear ARCADE MODE . (No continue/Difficulty NORMAL or higher/No DUAL).
ARCADE Clear	Clear ARCADE MODE . (No continue/Difficulty NORMAL or higher/No DUAL).
Blue Flash!	In Double play, Clear first stage using only the 2P ship without shooting from 1P aircraft. (All game modes/Difficulty NORMAL or higher).
Bombs Away!	Destroy more than 12 enemies at once with one bomb. (All game modes/Any difficulty/No DUAL).
BOSS RUSH MODE Clear	Clear BOSS RUSH MODE! (No continue/Difficulty NORMAL or higher/No DUAL).
Double play "Alteregoism"	Clear LEVEL 3 with double play! (OVERKILL MODE/Difficulty NORMAL or higher).
Double play "Full Proficiency"	Clear first round with double play! (OVERKILL MODE/Difficulty NORMAL or higher).
Double play "The Breakthrough"	Clear LEVEL 1 with double play! (OVERKILL MODE/Difficulty NORMAL or higher).
Fireworks!	Accumulate 7 bombs and use all of them at once. (All game modes/Any difficulty/No DUAL) .
Gallery complete!	Collect every ship in the Gallery!.
High Score!	Earn a score of over 20,000,000! (All game modes/Any difficulty/No DUAL).
Laser Specialist	Clear with only Laser. (OVERKILL MODE/Continue is acceptable/Difficulty EASY or higher/No DUAL).
LEVEL 1-1 Boss Destroyed!	Destroy the LEVEL 1-1 Boss. (OVERKILL MODE/Difficulty NORMAL or higher/No DUAL).
LEVEL 1-2 Boss Destroyed!	Destroy the LEVEL 1-2 Boss. (OVERKILL MODE/Difficulty NORMAL or higher/No DUAL).
LEVEL 1-3 Boss Destroyed!	Destroy the LEVEL 1-3 Boss. (OVERKILL MODE/Difficulty NORMAL or higher/No DUAL).
LEVEL 1-4 Boss Destroyed!	Destroy the LEVEL 1-4 Boss. (OVERKILL MODE/Difficulty NORMAL or higher/No DUAL).
LEVEL 1-5 Boss Destroyed!	Destroy the LEVEL 1-5 Boss. (OVERKILL MODE/Difficulty NORMAL or higher/No DUAL).
LEVEL 1-6 Boss Destroyed!	Destroy the LEVEL 1-6 Boss. (OVERKILL MODE/Difficulty NORMAL or higher/No DUAL).
LEVEL 1-7 Boss Destroyed!	Destroy the LEVEL 1-7 Boss. (OVERKILL MODE/Difficulty NORMAL or higher/No DUAL).
LEVEL 2-1 Boss Destroyed!	Destroy the LEVEL 2-1 Boss. (OVERKILL MODE/Difficulty NORMAL or higher/No DUAL).
LEVEL 2-2 Boss Destroyed!	Destroy the LEVEL 2-2 Boss. (OVERKILL MODE/Difficulty NORMAL or higher/No DUAL).
LEVEL 2-3 Boss Destroyed!	Destroy the LEVEL 2-3 Boss. (OVERKILL MODE/Difficulty NORMAL or higher/No DUAL).
LEVEL 2-4 Boss Destroyed!	Destroy the LEVEL 2-4 Boss. (OVERKILL MODE/Difficulty NORMAL or higher/No DUAL).
LEVEL 2-5 Boss Destroyed!	Destroy the LEVEL 2-5 Boss. (OVERKILL MODE/Difficulty NORMAL or higher/No DUAL).
LEVEL 2-6 Boss Destroyed!	Destroy the LEVEL 2-6 Boss. (OVERKILL MODE/Difficulty NORMAL or higher/No DUAL).
LEVEL 2-7 Boss Destroyed!	Destroy the LEVEL 2-7 Boss. (OVERKILL MODE/Difficulty NORMAL or higher/No DUAL).
Miklas!	Resucue all Miklas in LEVEL 2-1 - LEVEL 2-7. (OVERKILL MODE/SCORE ATTACK MODE/Any difficulty/No DUAL) .
Mission 1 "Rescue Fairy!"	Rescue the Fairy in LEVEL 1. (OVERKILL MODE/SCORE ATTACK MODE/Difficulty EASY or higher/No DUAL).
Mission 2 "Preemptive Attack!"	Clear with every Score Ring collected from the enemies in LEVEL 2. (OVERKILL MODE/SCORE ATTACK MODE/Difficulty EASY or higher/No DUAL).
Mission 3 "Destroy Jeeps!"	Destroy the Jeeps in LEVEL 3. (OVERKILL MODE/SCORE ATTACK MODE/Difficulty EASY or higher/No DUAL).
Mission 4 "Obtain 1UP!"	Obtain the 1UP item in LEVEL 4. (OVERKILL MODE/SCORE ATTACK MODE/Difficulty EASY or higher/No DUAL).
Mission 5 "Tank Unit Destroyed!"	Destroy all tanks that appear in LEVEL 5. (OVERKILL MODE/SCORE ATTACK MODE/Difficulty EASY or higher/No DUAL).
Mission 6 "Enemy Fleet Destroyed!"	Destroy all warships that appear in LEVEL 6. (OVERKILL MODE/SCORE ATTACK MODE/Difficulty EASY or higher/No DUAL).
Mission 7 "Enemy Guards Destroyed!"	Clear with 100% of destruction rate in LEVEL 7. (OVERKILL MODE/SCORE ATTACK MODE/Difficulty EASY or higher/No DUAL).
Perseverance!	Make boss self destruct by running out of time. (All game modes/Any difficulty/No DUAL) .
Plasma Professional	Clear with only Plasma Laser. (OVERKILL MODE/Continue is acceptable/Difficulty EASY or higher/No DUAL).
Proton Magician	Clear with only Proton Laser. (OVERKILL MODE/Continue is acceptable/Difficulty EASY or higher/No DUAL).
Raiden	Obtained all Achievement.
Specail Mission 1 "Save the Fairies!"	Rescue all fairies in mission stage 1! (OVERKILL MODE/SCORE ATTACK MODE/Difficulty EASY or higher/No DUAL).
Special Mission 2 "Meteorite Breaker!"	Destroy more than 1,000 meteorites in mission stage 2! (OVERKILL MODE/SCORE ATTACK MODE/Difficulty EASY or higher/No DUAL).
Unyielding Fighting Spirit!	Clear any single LEVEL with one ship and no bombs. (All game modes/Any difficulty/No DUAL).
Vulcan Fighter	Clear with only Vulcan. (OVERKILL MODE/Continue is acceptable/Difficulty EASY or higher/No DUAL).

Successfully complete the game. Note: This must be repeated for every game mode.