Here is the full list of all 20 Alpha Runner achievements. It takes around 2-3 hours to unlock all of the achievements on Windows.
Get a score of 200 in a single game.
Died over 1000 Times.
Experienced the rain mini game 100 times.
Die a total of 500 times.
tried blocking the hammer with an umbrella.
Experience the world upside down in mlg mode.
Die a total of 250 times.
Die with a score of 007 while only wearing the secret agent glasses.
Found a way to get rid of the hammer.
Die while being 1m away from the finish in speedrun mode.
Die a total of 100 times.
Complete your first speedrun.
Tried out practice mode
Die a total 50 times.
Get a score of 10 in one game.
Earn your first point.
Jump 10 times in one game.
Die without earning any points.
Die for the first time.
Actually you started the game. Thank you for playing.