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