Here is the full list of all 250 Inside The Gear achievements.
Complete the 25th Level
Move objects a little more in the 25th level
Complete the 24th Level
Move objects a little more in the 24th level
Complete the 23rd Level
Move objects a little more in the 23rd level
Complete the 22nd Level
Move objects a little more in the 22nd level
Complete the 21st Level
Move objects a little more in the 21st level
Move objects a little more in the 20th level
Complete the 20th Level
Complete the 19th Level
Move objects a little more in the 19th level
Complete the 18th Level
Move objects a little more in the 18th level
Complete the 17th Level
Move objects a little more in the 17th level
Complete the 16th Level
Move objects a little more in the 16th level
Complete the 15th Level
Move objects a little more in the 15th level
Complete the 14th Level
Move objects a little more in the 14th level
Complete the 13th Level
Move objects a little more in the 13th level
Complete the 12th Level
Move objects a little more in the 12th level
Move objects a little more in the 9th level
Complete the 11th Level
Move objects a little more in the 11th level
Complete the 10th Level
Move objects a little more in the 10th level
Complete the 9th Level
Complete the 8th Level
Move objects a little more in the 8th level
Complete the 7th Level
Move objects a little more in the 7th level
Complete the 6th Level
Move objects a little more in the 6th level
Complete the 5th Level
Move objects a little more in the 5th level
Complete the 4th Level
Move objects a little more in the 4th level
Complete the 3rd Level
Move objects a little more in the 3rd level
Complete the 2nd Level
Move objects a little more in the 1st level
Move objects a little more in the 2nd level
Complete the 1st Level