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.
Get 300 segments.
Unlocked Dragon bus.
Unlocked Coriolis map.
Unlocked Endless map.
Unlocked Party bus.
Unlocked Miami map.
Unlocked Clustertruck.
Found Paris Night map.
Unlocked Ring Map.
Unlocked School bus.
See you at the top.
Get 150 segments.
Completed first game.
Unlocked Suburbs map.
Unlocked Museum.
Launched Snakeybus for the first time.