Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

Cleared Stage 1 (10 points): Clear Stage 1 in Single Player Arcade Mode.
Cleared Stage 2 (10 points): Clear Stage 2 in Single Player Arcade Mode.
Cleared Stage 3 (10 points): Clear Stage 3 in Single Player Arcade Mode.
Cleared Stage 4 (10 points): Clear Stage 4 in Single Player Arcade Mode.
Ruby Master (25 points): Complete Single Player Arcade Mode without continues using Ruby.
Sensei Master (25 points): Complete Single Player Arcade Mode without continues using Sensei.
Tempest Master (25 points): Complete Single Player Arcade Mode without continues using Tempest.
"R.A.D." Master (25 points): Complete Single Player Arcade Mode without continues using R.A.D.
30 Second Max Bonus (15 points): Maintain the max bonus for 30 seconds or more.
Don't Let Me Go (15 points): Hold onto an enemy for 10 seconds or longer with the anchor using Ruby.
Untouchable (15 points): Repel 20 or more enemy bullets using Tempest.
Incredible Restraint (15 points): Go 30 seconds without swinging Sensei's sword.