Version 1.54:
- Fixed a compatibility crash when generating the background of the first level.
Here are the fixes with version 1.5.2:
- Fixed achievements for killing 10,000.
- Fixed achievement "Skin You're In."
- Fixed achievement "Everything Explodes."
- Fixed achievement "Fit as a Flounder."
- Fixed crash with pacifist mode that relates to cash from projectiles.
- Modified achievement "Die 1,000" to be "Die 500."
- Modified the automatic pause when you change windows so it will not pause the game when you're in the quick instructions when you go to a different window.
* Version 1.5.3 was an attempt to fix the crash that was fixed in 1.5.4