Here is the full list of all 44 Raiden III x MIKADO MANIAX achievements.
Obtained all achievements.
Destroy the LEVEL 1 Boss. (Difficulty NORMAL or higher/No DUAL)
Destroy the LEVEL 2 Boss. (Difficulty NORMAL or higher/No DUAL)
Destroy the LEVEL 3 Boss. (Difficulty NORMAL or higher/No DUAL)
Destroy the LEVEL 4 Boss. (Difficulty NORMAL or higher/No DUAL)
Destroy the LEVEL 5 Boss. (Difficulty NORMAL or higher/No DUAL)
Destroy the LEVEL 6 Boss. (Difficulty NORMAL or higher/No DUAL)
Destroy the LEVEL 7 Boss. (Difficulty NORMAL or higher/No DUAL)
Rescue the Fairy in LEVEL 1. (Difficulty EASY or higher/No DUAL)
Get all the bonus score items in LEVEL 2. (Difficulty EASY or higher/No DUAL)
Obtain the 1UP item in LEVEL 3. (Difficulty EASY or higher/No DUAL)
Destroy all the meteoroids that appear in LEVEL 4. (Difficulty EASY or higher/No DUAL)
Destroy all turrets in LEVEL 5. (Difficulty EASY or higher/No DUAL)
Destroy all tanks that appear in LEVEL 6. (Difficulty EASY or higher/No DUAL)
Clear with a 100% destruction rate in LEVEL 7. (Difficulty EASY or higher/No DUAL)
Rescue a total of 20 fairies! (All game modes/Any difficulty/No DUAL)
Destroy more than 1,000 meteorites! (All game modes/Any difficulty/No DUAL)
Earn a score of over 10,000,000! (All game modes/Any difficulty/No DUAL)
Increase your score by 2.0 times with flash shots 1000 times in total! (All game modes/Any difficulty/No DUAL)
Clear the game with only the Vulcan. (Difficulty EASY or higher/No DUAL)
Clear the game with only the Laser. (Difficulty EASY or higher/No DUAL)
Clear the game with only the Proton Laser. (Difficulty EASY or higher/No DUAL)
Clear NORMAL difficulty with 1 credit. (No DUAL)
Clear ARCADE difficulty with 1 credit. (No DUAL)
Clear HARD difficulty with 1 credit. (No DUAL)
Clear VERY HARD difficulty with 1 credit. (No DUAL)
Clear LEVEL 1 with double play! (Difficulty NORMAL or higher)
Clear LEVEL 3 with double play! (Difficulty NORMAL or higher)
Clear the game with double play! (Difficulty NORMAL or higher)
Clear BOSS RUSH MODE! (No continue/Difficulty NORMAL or higher/No DUAL)
Save the replay data 10 times!
Get 10 wallpapers!
Fully upgrade all main weapons. (All game modes/Any difficulty/No DUAL)
Clear all stages without moving to the upper half of the screen. (Difficulty EASY or higher/No DUAL)
Earn 100,000 game points.
Clear all stages without being hit. (Difficulty EASY or higher/No DUAL)
Finish off a boss with a bomb. (Difficulty EASY or higher/No DUAL)
Clear LEVEL 1 without being hit. (Difficulty EASY or higher/No DUAL)
In Dual play, clear any LEVEL and make two players' score equal. (All game modes/Any difficulty)
In Double play, clear LEVEL 1 using only the 2P ship without shooting from 1P aircraft. (Difficulty NORMAL or higher)
Destroy more than 12 enemies at once with one bomb. (All game modes/Any difficulty/No DUAL)
Clear any single LEVEL with no ships and no bombs. (All game modes/Any difficulty/No DUAL)
Accumulate 7 bombs and use all of them at once. (All game modes/Any difficulty/No DUAL)
Make a boss self-destruct by running out of time. (All game modes/Any difficulty/No DUAL)