Ikaruga

Unlockables

Complete each of the following achievements below to get the allotted gamerscore.

Unlockable	How to Unlock
Dot Eater (10)	Clear a certain chapter in any mode without shooting at all
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
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!
tellar 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

Contributed By: Guard Master.

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.
Contributed By: Spark0.
Unlock Prototype Mode and Prototype Leaderboards
Complete the game from beginning to end on any settings to unlock Prototype Mode and the Prototype Leaderboards
Unlockable How to Unlock
Prototype Mode Clear the game
Prototype Mode Leaderboards Unlock Prototype Mode
Contributed By: DarkBob.

Unlockable	How to Unlock
Prototype Mode	Clear the game
Prototype Mode Leaderboards	Unlock Prototype Mode

DotEater leaderboard
Beat a level without ever shooting or dying on any difficulty, getting the DotEater achievement, you'll be rewarded with DotEater leaderboards.
Contributed By: KaiRyusaki.