Here is the full list of all 58 Half-Life: VR Mod achievements.
Don't kill any scientist or barney the entire game
Don't join the G-Man
Join the G-Man
Face the G-Man
Beat the Nihilanth
Get teleported to all of Nihilanth's spaces
Meet the Nihilanth
Reach Xen
Explode the Gargantua with airstrikes
Gain more than 1000 HP from a negative damage door
Surface behind the tank
Reach the cliffs
Kill a scientist with the instruments
Kill all the aliens with all the experiments
Kill a barney or scientist with an experiment
Kill a soldier with an experiment
Repeat the conveyor loop
Save the barney from running into the barnacle
Try to use the trash compactors as trains
Complete "On A Rail" without ever using a train
Launch the satellite rocket
Get sniped
Skip the whole "Power Up" chapter
Fry the Gargantua
Never get noticed by the tentacles
Use the broken elevator
Solve the Blast Pit fan puzzle
Blow up all the bridges in Blast Pit
Fly directly into the pipe from the train
Skip the whole "We've Got Hostiles" chapter
Save the "we're doomed" scientist
Complete We've Got Hostiles without activating any laser traps or trip mines
Fail to save the "we're doomed" scientist
Get killed by the fan in the vents
Push or lure a scientist into a barnacle
Get killed by the eletric ceiling light
Throw a gib at a scientist or barney
Pick up an alien gib
Touch a houndeye without hurting it
Hit a headcrab with a melee attack in mid-air
Make the hanging scientist in the entrance area fall to their death
Your moral support saved them!
Speak to all scientists in the pre-disaster maps
Get the "Bothersome", "Important Messages", "Trouble", "Magnusson Experiment", and "Lights Out!" achievements
Hold cup in front of Kleiner
Find the small cup
Grab the battery in your locker
Get the HEV suit
Do the microwave thing
Turn off the lights in the office in the starting area
Play with the laptop in the entrance area
Press the alarm button in the entrance area
Jump out of the intro train
Complete the Hazard Course
Drive a train
Drink a soda can
Get the crowbar
Start the game