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