Here is the full list of all 17 Snakeybus achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Get 420 segments.
Found Paris Night map.
Unlocked Dragon bus.
Unlocked Coriolis map.
Unlocked Endless map.
Unlocked Clustertruck.
Unlocked Ring Map.
See you at the top.
Get 300 segments.
Unlocked Museum.
Unlocked School bus.
Unlocked Party bus.
Unlocked Miami map.
Unlocked Suburbs map.
Get 150 segments.
Completed first game.
Launched Snakeybus for the first time.