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