Here is the full list of all 34 Glitch's Trip achievements worth 1,000 gamerscore.
Kill more enemies!
Squish an enemy!
Laser an enemy!
Make an enemy take a bath.
Have a turret kill an enemy.
Shoot an enemy into some spikes.
Just keep playing.
Kill glitch 100 times :(
Kill Glitch 1000 times :'(
Complete the Mystic Cave moon.
Complete the Sky Carnival moon.
Complete the Space Rave moon.
Complete the Twisted Temple moon.
Beat the game on Normal.
Beat the game on Challenge.
Complete 3 levels in a row on Normal or Challenge.
Complete 7 levels in a row on Normal or Challenge.
Complete 10 levels in a row on Normal or Challenge.
Complete 1-12 without getting hit on Normal or Challenge.
Complete 1-6 without getting hit on Challenge.
Complete 1-8 in 40 seconds or less, on Normal or Challenge.
Complete 1-10 in 55 seconds or less, on Challenge.
Complete 2-12 without getting hit on Normal or Challenge.
Complete 2-8 without getting hit on Challenge.
Complete 2-13 in 60 seconds or less, on Normal or Challenge.
Complete 2-15 in 80 seconds or less, on Challenge.
Complete 3-6 without getting hit on Normal or Challenge.
Complete 3-13 without getting hit on Challenge.
Complete 3-10 in 80 seconds or less, on Normal or Challenge.
Complete 3-21 in 150 seconds or less, on Challenge.
Complete 4-3 without getting hit on Normal or Challenge.
Complete 4-14 without getting hit on Challenge.
Complete 4-21 in 210 seconds or less, on Normal or Challenge.
Complete 4-24 in 420 seconds or less, on Challenge.