Plants vs. Zombies: Battle for Neighborville
50 Achievements
EA Play
Clearing the Dance Floor
Earn 200 vanquishes as an Electric Slide
How to unlock the Clearing the Dance Floor achievement in Plants vs. Zombies: Battle for Neighborville - Definitive Guide
Easiest way to do these is through garden/graveyard ops. Can get up to about 100 per game if you're soloing.