Here is the full list of all 30 The Stranger VR achievements.
Kill a Sinister
Kill a Guardian
Kill a Krull
Kill an Alpha
Kill a Zhar Destroyer
Kill a Proto Zhar
Kill a Zhar God
Kill a Daemon
Kill a Sentinel Machine
Kill a Flying Machine
Kill a Gargantuan
Die Once
Buy Shells or Grenades
Buy a weapon
Buy more than 3 weapons
Buy more than 10 weapons
Buy all weapons