The Etherian Festival of Love Add-on for Dungeon Defenders has 4 achievements.
You successfully prevented hordes of mob matches in the Temple O' Love!
You successfully prevented hordes of mob matches in the Temple O' Love... on Nightmare!
You played matchmaker for the gender mobs on the Sky O' Love challenge, and defeated Mega Cupid!
You played matchmaker for the gender mobs on the Sky O' Love challenge, and defeated Mega Cupid... on Nightmare!