Here is the full list of all 39 Disastr_Blastr achievements.
Disintegratr_Boss_Clear
Inflatr_Boss_Clear
Archr_Boss_Clear
Flowr_Boss_Clear
Destroyr_Boss_Clear
Collectr_Boss_Clear
Joustr_Boss_Clear
Monstr_Boss_Clear
Nightmr_Boss_Clear
World1_Clean_Sweep
World2_Clean_Sweep
World3_Clean_Sweep
World4_Clean_Sweep
World5_Clean_Sweep
World6_Clean_Sweep
World7_Clean_Sweep
World8_Clean_Sweep
Ultimate_Blastr_1,000,000
Ultimate_Blastr_5,000,000
Ultimate_Blastr_10,000,000
Ultimate_Blastr_25,000,000
Ultimate_Blastr_50,000,000
Chain_Blastr_25x
Chain_Blastr_50x
Chain_Blastr_100x
Chain_Blastr_200x
Chain_Blastr_300x
Chain_Blastr_400x
Chain_Blastr_500x
Exterminatr_80%
Exterminatr_85%
Exterminatr_90%
Exterminatr_95%
Exterminatr_100%
No_Quittr_10x
No_Quittr_25x
No_Quittr_50x
No_Quittr_100x
Perfect_Run