Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock
Bomb Diggity (50 points)	Exploder enemy kills multiple enemies.
Brojectile (50 points)	While time-stop is active, push an enemy into a projectile.
Enemy Infighting (50 points)	Kill an enemy with infighting.
Immortal Technique (200 points)	Beat the game without taking damage.
Laser Master 3000 (50 points)	Hit two enemies with laser two turns in a row.
Science, Yo! (111 points)	Collect all 111 scientists.
Speed Racer (75 points)	Phase 20 times in 1 minute.
Stop, Hammer Time (188 points)	Spend 0.5 hr in time-stop.
Time for Science! (1 points)	Play the game at 1:11am.
To the Point (50 points)	Kill 5 enemies using spikes in 1 stage.
Treasure Hunter (100 points)	Find all secrets in the game.
Wall Grinder (75 points)	Bump 1000 walls.