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