Version 2.2.2 is now available, this includes the following changes to the "Smol" Laser Enemy:

• Arcade Master Achievement now activates after your 50th Upgrade item grabbed from the Arcade Mode.
  
• Phantom Invaders now have a Health Bar, similar to boss like enemies, to help show how much HP they have left.
  

Arcade Master Achievement:




If you have any suggestions, bugs or issues - feel free to reach out via the Steam Forums or on Discord.