Full list of all 42 Half-Life: Alyx achievements. It takes around 15-20 hours to unlock all of the achievements in the base game on Windows.
The base game contains 41 achievements, and there is 1 DLC pack containing 1 achievements.
Reach the aquatic exhibits.
Kill Jeff.
Defuse a roomful of explosive barrels.
Pick up and smash 50 glass bottles.
Use the multitool to hack a tripmine.
Use the gravity gloves to intercept an incoming enemy grenade in mid-flight.
Use the gravity gloves to loot an item off a living Combine soldier.
Shut down the substation.
Collect the SMG.
Escape the underground pit.
Get creative turning the power back on.
Reach the Northern Star.
Kill a grunt by shooting their gas tank.
Stop the prisoner transport train.
Enter the explosive Xen infestation.
Collect the shotgun.
Receive a tasty treat.
Break open a supply crate with your hands.
Install your first pistol upgrade.
Enter the Quarantine Zone.
Loot a corpse.
Catch Russell's ammo magazine before it hits the ground.
Break out of the Combine prisoner transport vehicle.
Feed the snark.
Interact with the playground somehow.
Represent yourself with a specific prop on Russell's map.
Measure Russell with the Geiger counter.
Test your grip on a headcrab heart.
Escape the distillery without killing Jeff.
Kill the annoying headcrab before it breaks everything.
Catch a bottle falling out of a cupboard before it breaks and alerts Jeff.
Solve the tanker yard's electrical puzzle and escape.
Start climbing the water tower.
Wake the Strider.
Get to the superweapon.
Make your choice.
Kill a Combine Heavy while their shield is up.
Snatch a Xen grenade from its resting place.
Stay close to Jeff for 10 seconds (but not too close).
Bring Russell a bottle of vodka.
Bring a garden gnome with you to the Vault.
If you are reading this achievement, Gabe Newell has successfully launched Gnome Chompski into space. If you did not also receive the achievement 'Manufacturing Ascent', Newell has abandoned his plans to shoot Noam Chomsky into space.