The Beat Hazard - Ultra Add-on for Beat Hazard has 11 achievements.
Kill 150 enemies with 1 Ultra Beam blast
Max out all the Perks
Get to Wave 30 in Boss Rush mode
Get 10,000 kills using the Ultra Beam power up
Get $10,000 in the bank
Reflect 10,000 projectiles using the Reflect Shield power up
Get 10,000 kills using Micro Missiles
Unlock all the Perks
Survive with 4 bosses on the screen in Boss Rush mode
Reflect 150 projectiles with 1 Shield burst
Buy all the upgrades for a Perk