Achievements
Complete each of the following achievements below to get the allotted gamerscore:
Dot Eater (10) - Clear a certain chapter in any mode without shooting at all.
Target: Buppousou (10) - Destroy Buppousou!
Target: Eboshidori (10) - Destroy Eboshidori!
Target: Misago (15) - Destroy Misago!
Target: Tageri (15) - Destroy Tageri!
Target: Uzura (15) - Destroy Uzura!
Excellent grade (20) - Complete Chapter 3 in any mode with a grade of A or better.
Fine grade (20) - Complete Chapter 2 in any mode with a grade of A or better.
Good grade (20) - Complete Chapter 1 in any mode with a grade of A or better.
Star player (20) - Complete the Final Chapter in any mode with a grade of A or better.
Stellar grade (20) - Complete Chapter 4 in any mode with a grade of A or better.
Unstoppable (25) - Clear the game in any mode without using Continue.
Extra Continues
Every hour of play up to 8 hours increases the amount of continues you can use in a single game by one. After 8 hours you get infinite continues.
Unlock Prototype Mode and Prototype Leaderboards
Complete the game from beginning to end on any settings to unlock Prototype Mode and the Prototype Leaderboards.