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