PS3 "Slimer" trophy potentially glitched...

[merciful84]

I know I've killed every slime type at least twice but the trophy isn't popping. I'm playing this on the Vita btw.
Has anyone else encountered this issue or can anyone recommend a work around? (its driving me crazy...)

 

[Nike Leon 🪓]

Related thread with viewing: http://forums.terraria.org/index.php?threads/achievement-slimer-bug.2099/#post-120853