Here is the full list of all 18 Deadly Hunter VR Demo achievements.
Kill Bosses Progress
Kill Ladybugs Progress
Headshot SmokeLord Progress
Fire Arrow Kill Monster Progress
Poisonous Arrow Kill Monster Progress
Clear level 5 with arrow tower only
Clear level 4 with barricade only
Clear level 3 with landmine only
Headshot Ballista Progress
Lethal Arrow Kill monster Progress
Headshot Elite Monster Num Progress
Clear level S1 with mud flat only
Headshot Shieldon Progress
Headshot NightShadow Progress
Clear level 5 with clamp only
Headshot DarkSpear Progress
Headshot Mading Progress
Headshot Berserker Progress