Here is the full list of all 20 Vectronom achievements. It takes around 3-4 hours to unlock all of the achievements on Windows.
Find the hidden debug level.
Die a thousand times.
Play through a level with the lowest tempo using free tempo mode.
Play through a level with the highest tempo using free tempo mode.
Change the tempo after unlocking free tempo mode.
Finnish all the levels with all three badges.
Get every First Try badge.
Get every Perfect Tempo badge.
Get every Pickups badge.
Beat the last level.
Beat the last level group.
Find the hidden spot on Spike Cover.
Find the hidden spot on Diamond.
Play with four players.
Play with at least two players.
Die a hundred times.
Find the hidden spot on Autobahn.
Beat the first level group.
Get all three badges on a level.
Get all three badges on a level in a single run.