http://www.newegg.com/Product/Product.aspx?Item=N82E16832130311&ignorebbr=1&cm_re=PPSSALTLWWBJMV-_-32-130-311-_-Product
When you have the game in your cart, enter this promo code: EMCAVNS36
It will bring down the price to $15.99, before shipping costs.
Promo Code expires 11:59pm PDT on July 26, 2015.