There are 12 achievements worth a total of 200 points
Go 30 seconds without swinging Sensei's sword.
Repel 20 or more enemy bullets using Tempest.
Hold onto an enemy for 10 seconds or longer with the anchor using Ruby.
Maintain the max. bonus for 30 seconds or more.
Complete Single Player Arcade Mode without continues using R.A.D.
Complete Single Player Arcade Mode without continues using Tempest.
Complete Single Player Arcade Mode without continues using Sensei.
Complete Single Player Arcade Mode without continues using Ruby.
Clear Stage 4 in Single Player Arcade Mode.
Clear Stage 3 in Single Player Arcade Mode.
Clear Stage 2 in Single Player Arcade Mode.
Clear Stage 1 in Single Player Arcade Mode.