Valentine s Day Slacking 2015 is a free unblocked skill game that you can play for free at Yoob Games on any device. This is one of our many featured games with a rating of 8.6/10 (from 8 votes). Valentine s Day Slacking 2015 is one of many skill games that you can play. If you want to play more games like this, then check out Hiding the Kiss or Pamela Hot Kissing. To play even more unblocked games view our best Yoob games page.