Here is the full list of all 20 EVGA PrecisionX 16 achievements.
Adjusted GPU clock equals exactly 1337MHz
Successfully use the TEST button
Enable Frame Rate Target
Disable interface tooltips
Press 'Check now' for available updates
Set a negative clock offset on GPU or Memory
Set power target to maximum value
Set 100% fanspeed
Overclock your graphics card
Overclock Memory by +300MHz or higher offset
Use the keyboard to type in a value
Set a custom voltage
Use the default button
Open Precision X on a system that has 4 or more GPU's
Reach a GPU Temperature of 10 degrees celsius or lower
Set a custom fan curve
Open Precision X on a system that has 2 of the same GPU's
Use the screen capture function
Use the monitoring function to monitor every item on OSD
Save an overclock profile