@Jat According to these two articles, the split-screen functionality will be limited to Xbox One. Which is correct? I really really hope to see this for PC as well.
http://www.gamespot.com/articles/ark-survival-evolved-xbox-one-getting-two-player-l/1100-6433137/
http://www.gamezone.com/news/ark-survival-evolved-getting-local-split-screen-on-xbox-one-3431142