According to Amazon US, Natural Doctrine will be releasing on September 16th this year.
http://www.amazon.com/gp/product/B00K5UZMJO/ref=s9_psimh_gw_p63_d0_i1?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=center-2&pf_rd_r=0QKTKJFSE44HPR6W6T2H&pf_rd_t=101&pf_rd_p=1688200382&pf_rd_i=507846
I have no idea how that game plays or what it looks like lol