Here is the full list of all 12 Mini Golf Arena achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
PAR is the predetermined number of strokes
Albatross (Double Eagle) - three strokes under par
Eagle - two strokes under par
Birdie - one stroke under par
FINISH THE TUTORIAL!
Hit shot with a strength of 100!
You can do it in one stroke!
Triple bogey is the three strokes over par
Bogey is the one stroke over par
Double bogey is the two strokes over par
OVER BOGEY is more than three strokes over par
Try to out of bounds!