Here is the full list of all 16 ShowdownVR achievements.
Dodged 100 enemy attacks!
Dodged 500 enemy attacks!
Dodged 1000 enemy attacks!
Dodged 2.5K enemy attacks!
Dodged 5K enemy attacks!
Dodged 10K enemy attacks!
Dodged 100K enemy attacks!
You've spend more than 20 minuts on the ship!
You've spend more than 90 minuts on the ship!
You've spend more than 5 hours on the ship!
Your first kill!
Killed 30 enemies!
Killed 100 enemies!
Killed 1000 enemies!