Full Playthrough...

Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
First Blood	Kill the first enemie.	25
Hard Mode	Complete the game on Hard mode.	100
Level 10	Complete level 10.	25
Level 11	Complete level 11.	50
Level 12	Complete level 12.	100
Level 1	Complete level 1.	25
Level 2	Complete level 2.	25
Level 3	Complete level 3.	25
Level 4	Complete level 4 and kill the boss.	50
Level 5	Complete level 5.	75
Level 6	Complete level 6 boss and kill the boss.	25
Level 7	Complete level 7.	25
Level 8	Complete level 8.	50
Level 9	Complete level 9.	75
One-Man Army	Kill hundred enemies.	75
Secret Room 1	Find first secret room.	25
Secret Room 2	Find all secrets room in game.	50
Splasher	Kill thirty enemies with gun splash.	50
Tik-Tak	Complete the entire game in one hour.	125