Try this. For most users it works in FF
Click the menu button and choose Options.Preferences.
Select the Advanced panel.
Select the General tab.
Uncheck Use hardware acceleration when available.
@fallout152
to me, happen that the 2nd mod I choose is the final product.
example: mod 1 gatling lv1 + mod 2 tesla lv 1 -> tesla lv 2
I tried 4/5 times and always had this result.
but dunno if it was only luck.
Try this. For most users it works in FF Click the menu button and choose Options.Preferences. Select the Advanced panel. Select the General tab. Uncheck Use hardware acceleration when available.