Here is the full list of all 13 Block Motion achievements.
Use the level editer to create a level and publish it to the workshop
Complete a level downloaded from the Steam workshop
Match the best block score on a campaign level
Match the best cycle score on a campaign level
Complete the 'Laws of Motion' campaign
Complete the 'Powers that be' campaign
Complete the 'Pivotal Concepts' campaign
Complete the 'More or Less' campaign
Complete the 'End is Nigh' campaign
Complete all levels in the campaign
Complete 'Custom Stabiliser' using only conveyers, welders and fillers
Complete 'Conveyance' in 50 cycles or less, without using pivots
Complete 'Linked chain' without using replicators