Where before, games with suggestive themes could sometimes be rejected from the storefront, Valve now allows nearly anything onto its store - even sex games. In the last year, Valve has started approaching sex games on Steam with a more lax attitude. The purpose of the game is to bed the people that you create. Valve released its monthly report of top-selling games on Tuesday, and while the list is largely composed of familiar faces and recent releases, one nugget might raise eyebrows: コイカツ! / Koikatsu Party, an anime game where you can build a “waifu” to exact specifications.