Here is the full list of all 23 Arclight Cascade achievements.
Start the Game
Hear every Shirobon track in the game
Hear every Meganeko track in the game
Explore every menu
Destroy 200 Glassian Drones
Destroy 1000 Glassian Drones
Destroy 3000 Glassian Drones
Destroy 5000 Glassian Drones
Destroy 10000 Glassian Drones
Collect the Grow Powerup
Collect the Slowdown Powerup
Play 5 games using the Replay Function
In a multiplayer game, have every player be 1 round away from winning
In a multiplayer game with at least 6 drones, have them all be one color
Hit at least 4 enemies with one swing
Finish a game with one player having no round victories
Play a fencing game with 2 players
Collect a flag when you already have another flag
Collect the Shield Powerup
Play the game on the 25th of August 1985
Defeat the first boss of Survival mode
Defeat the second boss of Survival mode
Finish Survival mode