Here is the full list of all 16 IRON GUARD VR achievements.
Destroy 100 robots with a drone
Destroy the enemy with a drone right in front of the base
Receive 3 stars for each level of the game
Fully upgrade any three upgrade branches
Complete the tutorial
Collect 50 Bonus Crates
Use any superweapon 20 times
Withstand a wave without building a single turret
Win after taking at least 90% damage to the base
Smash all secret objects
Build up all platforms on the level with third level turrets
Evacuate from the planet
To understand the reasons for what is happening
Earn over 5000 resources with the help of crystal miners
Find out the names of the developers
Destroy 5 flying drones in one shot, using the powershot from your drone