en-us Steam Community RSS For all of you who love co-op gaming, give Sven Co-op a try. It is a free co-operative game built on Valve's Half-Life, just released on Steam. You can play the the original HL campaign with friends or try nearly 1,000 custom maps available at our sister site SCMapDB.<br><br><a class="bb_link" href="http://psteamproxy.yuanyoumao.com/app/225840" target="_blank" rel="" id="dynamiclink_0">http://psteamproxy.yuanyoumao.com/app/225840</a> Sat, 23 Jan 2016 15:07:36 +0000 cold_blood3d https://psteamcommunity.yuanyoumao.com/groups/L4DMapDB/announcements/detail/79178608714445903 Valve has recently released the official L4D mapping tutorials. There's 21 step-by-step tutorials covering many aspects of L4D mapping.<br><br>Visit <a class="bb_link" href="https://psteamcommunity.yuanyoumao.com/linkfilter/?u=http%3A%2F%2FL4DMapDB.wikidot.com" target="_blank" rel=" noopener" >http://L4DMapDB.wikidot.com</a> for details,<br>or download the zip directly at <a class="bb_link" href="https://psteamcommunity.yuanyoumao.com/linkfilter/?u=http%3A%2F%2Fwww.l4d.com%2FLevelDesignDocs.zip" target="_blank" rel=" noopener" >http://www.l4d.com/LevelDesignDocs.zip</a> Fri, 27 Feb 2009 21:15:58 +0000 cold_blood3d https://psteamcommunity.yuanyoumao.com/groups/L4DMapDB/announcements/detail/73320830983005632