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