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